20638546

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 12850094

約数列:

[1, 2, 29, 47, 58, 67, 94, 113, 134, 226, 1363, 1943, 2726, 3149, 3277, 3886, 5311, 6298, 6554, 7571, 10622, 15142, 91321, 154019, 182642, 219559, 308038, 355837, 439118, 711674, 10319273, 20638546]

約数ペア:

[(1, 20638546), (2, 10319273), (29, 711674), (47, 439118), (58, 355837), (67, 308038), (94, 219559), (113, 182642), (134, 154019), (226, 91321), (1363, 15142), (1943, 10622), (2726, 7571), (3149, 6554), (3277, 6298), (3886, 5311)]