20540466

素因数分解:

$2^1\times 3^4\times {\mathrm{103}}^1\times {\mathrm{1231}}^1$

素因数の和:1348

約数の個数: 40

約数和(自身を含む): 46510464

約数和(自身を除く): 25969998

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 103, 162, 206, 309, 618, 927, 1231, 1854, 2462, 2781, 3693, 5562, 7386, 8343, 11079, 16686, 22158, 33237, 66474, 99711, 126793, 199422, 253586, 380379, 760758, 1141137, 2282274, 3423411, 6846822, 10270233, 20540466]

約数ペア:

[(1, 20540466), (2, 10270233), (3, 6846822), (6, 3423411), (9, 2282274), (18, 1141137), (27, 760758), (54, 380379), (81, 253586), (103, 199422), (162, 126793), (206, 99711), (309, 66474), (618, 33237), (927, 22158), (1231, 16686), (1854, 11079), (2462, 8343), (2781, 7386), (3693, 5562)]