20964990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22543}}^1$

素因数の和:22584

約数の個数: 32

約数和(自身を含む): 51941376

約数和(自身を除く): 30976386

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22543, 45086, 67629, 112715, 135258, 225430, 338145, 676290, 698833, 1397666, 2096499, 3494165, 4192998, 6988330, 10482495, 20964990]

約数ペア:

[(1, 20964990), (2, 10482495), (3, 6988330), (5, 4192998), (6, 3494165), (10, 2096499), (15, 1397666), (30, 698833), (31, 676290), (62, 338145), (93, 225430), (155, 135258), (186, 112715), (310, 67629), (465, 45086), (930, 22543)]