20853900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 216

約数和(自身を含む): 73120320

約数和(自身を除く): 52266420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 29, 30, 34, 36, 45, 47, 50, 51, 58, 60, 68, 75, 85, 87, 90, 94, 100, 102, 116, 141, 145, 150, 153, 170, 174, 180, 188, 204, 225, 235, 255, 261, 282, 290, 300, 306, 340, 348, 423, 425, 435, 450, 470, 493, 510, 522, 564, 580, 612, 705, 725, 765, 799, 846, 850, 870, 900, 940, 986, 1020, 1044, 1175, 1275, 1305, 1363, 1410, 1450, 1479, 1530, 1598, 1692, 1700, 1740, 1972, 2115, 2175, 2350, 2397, 2465, 2550, 2610, 2726, 2820, 2900, 2958, 3060, 3196, 3525, 3825, 3995, 4089, 4230, 4350, 4437, 4700, 4794, 4930, 5100, 5220, 5452, 5916, 6525, 6815, 7050, 7191, 7395, 7650, 7990, 8178, 8460, 8700, 8874, 9588, 9860, 10575, 11985, 12267, 12325, 13050, 13630, 14100, 14382, 14790, 15300, 15980, 16356, 17748, 19975, 20445, 21150, 22185, 23171, 23970, 24534, 24650, 26100, 27260, 28764, 29580, 34075, 35955, 36975, 39950, 40890, 42300, 44370, 46342, 47940, 49068, 49300, 59925, 61335, 68150, 69513, 71910, 73950, 79900, 81780, 88740, 92684, 102225, 110925, 115855, 119850, 122670, 136300, 139026, 143820, 147900, 179775, 204450, 208539, 221850, 231710, 239700, 245340, 278052, 306675, 347565, 359550, 408900, 417078, 443700, 463420, 579275, 613350, 695130, 719100, 834156, 1042695, 1158550, 1226700, 1390260, 1737825, 2085390, 2317100, 3475650, 4170780, 5213475, 6951300, 10426950, 20853900]

約数ペア:

[(1, 20853900), (2, 10426950), (3, 6951300), (4, 5213475), (5, 4170780), (6, 3475650), (9, 2317100), (10, 2085390), (12, 1737825), (15, 1390260), (17, 1226700), (18, 1158550), (20, 1042695), (25, 834156), (29, 719100), (30, 695130), (34, 613350), (36, 579275), (45, 463420), (47, 443700), (50, 417078), (51, 408900), (58, 359550), (60, 347565), (68, 306675), (75, 278052), (85, 245340), (87, 239700), (90, 231710), (94, 221850), (100, 208539), (102, 204450), (116, 179775), (141, 147900), (145, 143820), (150, 139026), (153, 136300), (170, 122670), (174, 119850), (180, 115855), (188, 110925), (204, 102225), (225, 92684), (235, 88740), (255, 81780), (261, 79900), (282, 73950), (290, 71910), (300, 69513), (306, 68150), (340, 61335), (348, 59925), (423, 49300), (425, 49068), (435, 47940), (450, 46342), (470, 44370), (493, 42300), (510, 40890), (522, 39950), (564, 36975), (580, 35955), (612, 34075), (705, 29580), (725, 28764), (765, 27260), (799, 26100), (846, 24650), (850, 24534), (870, 23970), (900, 23171), (940, 22185), (986, 21150), (1020, 20445), (1044, 19975), (1175, 17748), (1275, 16356), (1305, 15980), (1363, 15300), (1410, 14790), (1450, 14382), (1479, 14100), (1530, 13630), (1598, 13050), (1692, 12325), (1700, 12267), (1740, 11985), (1972, 10575), (2115, 9860), (2175, 9588), (2350, 8874), (2397, 8700), (2465, 8460), (2550, 8178), (2610, 7990), (2726, 7650), (2820, 7395), (2900, 7191), (2958, 7050), (3060, 6815), (3196, 6525), (3525, 5916), (3825, 5452), (3995, 5220), (4089, 5100), (4230, 4930), (4350, 4794), (4437, 4700)]