20120589870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{220403}}^1$

素因数の和:220609

約数の個数: 64

約数和(自身を含む): 51415845120

約数和(自身を除く): 31295255250

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 179, 255, 358, 510, 537, 895, 1074, 1790, 2685, 3043, 5370, 6086, 9129, 15215, 18258, 30430, 45645, 91290, 220403, 440806, 661209, 1102015, 1322418, 2204030, 3306045, 3746851, 6612090, 7493702, 11240553, 18734255, 22481106, 37468510, 39452137, 56202765, 78904274, 112405530, 118356411, 197260685, 236712822, 394521370, 591782055, 670686329, 1183564110, 1341372658, 2012058987, 3353431645, 4024117974, 6706863290, 10060294935, 20120589870]

約数ペア:

[(1, 20120589870), (2, 10060294935), (3, 6706863290), (5, 4024117974), (6, 3353431645), (10, 2012058987), (15, 1341372658), (17, 1183564110), (30, 670686329), (34, 591782055), (51, 394521370), (85, 236712822), (102, 197260685), (170, 118356411), (179, 112405530), (255, 78904274), (358, 56202765), (510, 39452137), (537, 37468510), (895, 22481106), (1074, 18734255), (1790, 11240553), (2685, 7493702), (3043, 6612090), (5370, 3746851), (6086, 3306045), (9129, 2204030), (15215, 1322418), (18258, 1102015), (30430, 661209), (45645, 440806), (91290, 220403)]