20796870406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{288661}}^1$

素因数の和:288856

約数の個数: 32

約数和(自身を含む): 35789469408

約数和(自身を除く): 14992599002

約数列:

[1, 2, 13, 17, 26, 34, 163, 221, 326, 442, 2119, 2771, 4238, 5542, 36023, 72046, 288661, 577322, 3752593, 4907237, 7505186, 9814474, 47051743, 63794081, 94103486, 127588162, 611672659, 799879631, 1223345318, 1599759262, 10398435203, 20796870406]

約数ペア:

[(1, 20796870406), (2, 10398435203), (13, 1599759262), (17, 1223345318), (26, 799879631), (34, 611672659), (163, 127588162), (221, 94103486), (326, 63794081), (442, 47051743), (2119, 9814474), (2771, 7505186), (4238, 4907237), (5542, 3752593), (36023, 577322), (72046, 288661)]