20121450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2531}}^1$

素因数の和:2599

約数の個数: 48

約数和(自身を含む): 50862816

約数和(自身を除く): 30741366

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 53, 75, 106, 150, 159, 265, 318, 530, 795, 1325, 1590, 2531, 2650, 3975, 5062, 7593, 7950, 12655, 15186, 25310, 37965, 63275, 75930, 126550, 134143, 189825, 268286, 379650, 402429, 670715, 804858, 1341430, 2012145, 3353575, 4024290, 6707150, 10060725, 20121450]

約数ペア:

[(1, 20121450), (2, 10060725), (3, 6707150), (5, 4024290), (6, 3353575), (10, 2012145), (15, 1341430), (25, 804858), (30, 670715), (50, 402429), (53, 379650), (75, 268286), (106, 189825), (150, 134143), (159, 126550), (265, 75930), (318, 63275), (530, 37965), (795, 25310), (1325, 15186), (1590, 12655), (2531, 7950), (2650, 7593), (3975, 5062)]