20961416280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{107099}}^1$

素因数の和:107353

約数の個数: 128

約数和(自身を含む): 72176832000

約数和(自身を除く): 51215415720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 233, 280, 420, 466, 699, 840, 932, 1165, 1398, 1631, 1864, 2330, 2796, 3262, 3495, 4660, 4893, 5592, 6524, 6990, 8155, 9320, 9786, 13048, 13980, 16310, 19572, 24465, 27960, 32620, 39144, 48930, 65240, 97860, 107099, 195720, 214198, 321297, 428396, 535495, 642594, 749693, 856792, 1070990, 1285188, 1499386, 1606485, 2141980, 2249079, 2570376, 2998772, 3212970, 3748465, 4283960, 4498158, 5997544, 6425940, 7496930, 8996316, 11245395, 12851880, 14993860, 17992632, 22490790, 24954067, 29987720, 44981580, 49908134, 74862201, 89963160, 99816268, 124770335, 149724402, 174678469, 199632536, 249540670, 299448804, 349356938, 374311005, 499081340, 524035407, 598897608, 698713876, 748622010, 873392345, 998162680, 1048070814, 1397427752, 1497244020, 1746784690, 2096141628, 2620177035, 2994488040, 3493569380, 4192283256, 5240354070, 6987138760, 10480708140, 20961416280]

約数ペア:

[(1, 20961416280), (2, 10480708140), (3, 6987138760), (4, 5240354070), (5, 4192283256), (6, 3493569380), (7, 2994488040), (8, 2620177035), (10, 2096141628), (12, 1746784690), (14, 1497244020), (15, 1397427752), (20, 1048070814), (21, 998162680), (24, 873392345), (28, 748622010), (30, 698713876), (35, 598897608), (40, 524035407), (42, 499081340), (56, 374311005), (60, 349356938), (70, 299448804), (84, 249540670), (105, 199632536), (120, 174678469), (140, 149724402), (168, 124770335), (210, 99816268), (233, 89963160), (280, 74862201), (420, 49908134), (466, 44981580), (699, 29987720), (840, 24954067), (932, 22490790), (1165, 17992632), (1398, 14993860), (1631, 12851880), (1864, 11245395), (2330, 8996316), (2796, 7496930), (3262, 6425940), (3495, 5997544), (4660, 4498158), (4893, 4283960), (5592, 3748465), (6524, 3212970), (6990, 2998772), (8155, 2570376), (9320, 2249079), (9786, 2141980), (13048, 1606485), (13980, 1499386), (16310, 1285188), (19572, 1070990), (24465, 856792), (27960, 749693), (32620, 642594), (39144, 535495), (48930, 428396), (65240, 321297), (97860, 214198), (107099, 195720)]