20565286768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98871571}}^1$

素因数の和:98871592

約数の個数: 20

約数和(自身を含む): 42910262248

約数和(自身を除く): 22344975480

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98871571, 197743142, 395486284, 790972568, 1285330423, 1581945136, 2570660846, 5141321692, 10282643384, 20565286768]

約数ペア:

[(1, 20565286768), (2, 10282643384), (4, 5141321692), (8, 2570660846), (13, 1581945136), (16, 1285330423), (26, 790972568), (52, 395486284), (104, 197743142), (208, 98871571)]