20122710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:893

約数の個数: 64

約数和(自身を含む): 52081920

約数和(自身を除く): 31959210

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 43, 57, 86, 95, 114, 129, 190, 215, 258, 285, 430, 570, 645, 817, 821, 1290, 1634, 1642, 2451, 2463, 4085, 4105, 4902, 4926, 8170, 8210, 12255, 12315, 15599, 24510, 24630, 31198, 35303, 46797, 70606, 77995, 93594, 105909, 155990, 176515, 211818, 233985, 353030, 467970, 529545, 670757, 1059090, 1341514, 2012271, 3353785, 4024542, 6707570, 10061355, 20122710]

約数ペア:

[(1, 20122710), (2, 10061355), (3, 6707570), (5, 4024542), (6, 3353785), (10, 2012271), (15, 1341514), (19, 1059090), (30, 670757), (38, 529545), (43, 467970), (57, 353030), (86, 233985), (95, 211818), (114, 176515), (129, 155990), (190, 105909), (215, 93594), (258, 77995), (285, 70606), (430, 46797), (570, 35303), (645, 31198), (817, 24630), (821, 24510), (1290, 15599), (1634, 12315), (1642, 12255), (2451, 8210), (2463, 8170), (4085, 4926), (4105, 4902)]