20218502010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:498

約数の個数: 256

約数和(自身を含む): 58301337600

約数和(自身を除く): 38082835590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 53, 70, 98, 105, 106, 131, 147, 159, 210, 245, 262, 265, 283, 294, 318, 343, 371, 393, 490, 530, 566, 655, 686, 735, 742, 786, 795, 849, 917, 1029, 1113, 1310, 1415, 1470, 1590, 1698, 1715, 1834, 1855, 1965, 1981, 2058, 2226, 2597, 2751, 2830, 3430, 3710, 3930, 3962, 4245, 4585, 5145, 5194, 5502, 5565, 5943, 6419, 6943, 7791, 8490, 9170, 9905, 10290, 11130, 11886, 12838, 12985, 13755, 13867, 13886, 14999, 15582, 18179, 19257, 19810, 20829, 25970, 27510, 27734, 29715, 29998, 32095, 34715, 36358, 37073, 38514, 38955, 41601, 41658, 44933, 44997, 48601, 54537, 59430, 64190, 69335, 69430, 74146, 74995, 77910, 83202, 89866, 89994, 90895, 96285, 97069, 97202, 104145, 104993, 109074, 111219, 134799, 138670, 145803, 149990, 181790, 185365, 192570, 194138, 208005, 208290, 209986, 222438, 224665, 224985, 243005, 259511, 269598, 272685, 291207, 291606, 314979, 340207, 370730, 416010, 449330, 449970, 485345, 486010, 519022, 524965, 545370, 556095, 582414, 629958, 673995, 680414, 729015, 734951, 778533, 970690, 1020621, 1049930, 1112190, 1297555, 1347990, 1456035, 1458030, 1469902, 1557066, 1574895, 1701035, 1816577, 1964869, 2041242, 2204853, 2381449, 2595110, 2912070, 3149790, 3402070, 3633154, 3674755, 3892665, 3929738, 4409706, 4762898, 5103105, 5144657, 5449731, 5894607, 7144347, 7349510, 7785330, 9082885, 9824345, 10206210, 10289314, 10899462, 11024265, 11789214, 11907245, 12716039, 13754083, 14288694, 15433971, 18165770, 19648690, 22048530, 23814490, 25432078, 25723285, 27248655, 27508166, 29473035, 30867942, 35721735, 38148117, 41262249, 51446570, 54497310, 58946070, 63580195, 68770415, 71443470, 76296234, 77169855, 82524498, 96278581, 127160390, 137540830, 154339710, 190740585, 192557162, 206311245, 288835743, 381481170, 412622490, 481392905, 577671486, 673950067, 962785810, 1347900134, 1444178715, 2021850201, 2888357430, 3369750335, 4043700402, 6739500670, 10109251005, 20218502010]

約数ペア:

[(1, 20218502010), (2, 10109251005), (3, 6739500670), (5, 4043700402), (6, 3369750335), (7, 2888357430), (10, 2021850201), (14, 1444178715), (15, 1347900134), (21, 962785810), (30, 673950067), (35, 577671486), (42, 481392905), (49, 412622490), (53, 381481170), (70, 288835743), (98, 206311245), (105, 192557162), (106, 190740585), (131, 154339710), (147, 137540830), (159, 127160390), (210, 96278581), (245, 82524498), (262, 77169855), (265, 76296234), (283, 71443470), (294, 68770415), (318, 63580195), (343, 58946070), (371, 54497310), (393, 51446570), (490, 41262249), (530, 38148117), (566, 35721735), (655, 30867942), (686, 29473035), (735, 27508166), (742, 27248655), (786, 25723285), (795, 25432078), (849, 23814490), (917, 22048530), (1029, 19648690), (1113, 18165770), (1310, 15433971), (1415, 14288694), (1470, 13754083), (1590, 12716039), (1698, 11907245), (1715, 11789214), (1834, 11024265), (1855, 10899462), (1965, 10289314), (1981, 10206210), (2058, 9824345), (2226, 9082885), (2597, 7785330), (2751, 7349510), (2830, 7144347), (3430, 5894607), (3710, 5449731), (3930, 5144657), (3962, 5103105), (4245, 4762898), (4585, 4409706), (5145, 3929738), (5194, 3892665), (5502, 3674755), (5565, 3633154), (5943, 3402070), (6419, 3149790), (6943, 2912070), (7791, 2595110), (8490, 2381449), (9170, 2204853), (9905, 2041242), (10290, 1964869), (11130, 1816577), (11886, 1701035), (12838, 1574895), (12985, 1557066), (13755, 1469902), (13867, 1458030), (13886, 1456035), (14999, 1347990), (15582, 1297555), (18179, 1112190), (19257, 1049930), (19810, 1020621), (20829, 970690), (25970, 778533), (27510, 734951), (27734, 729015), (29715, 680414), (29998, 673995), (32095, 629958), (34715, 582414), (36358, 556095), (37073, 545370), (38514, 524965), (38955, 519022), (41601, 486010), (41658, 485345), (44933, 449970), (44997, 449330), (48601, 416010), (54537, 370730), (59430, 340207), (64190, 314979), (69335, 291606), (69430, 291207), (74146, 272685), (74995, 269598), (77910, 259511), (83202, 243005), (89866, 224985), (89994, 224665), (90895, 222438), (96285, 209986), (97069, 208290), (97202, 208005), (104145, 194138), (104993, 192570), (109074, 185365), (111219, 181790), (134799, 149990), (138670, 145803)]