20289160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29837}}^1$

素因数の和:29865

約数の個数: 32

約数和(自身を含む): 48337560

約数和(自身を除く): 28048400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29837, 59674, 119348, 149185, 238696, 298370, 507229, 596740, 1014458, 1193480, 2028916, 2536145, 4057832, 5072290, 10144580, 20289160]

約数ペア:

[(1, 20289160), (2, 10144580), (4, 5072290), (5, 4057832), (8, 2536145), (10, 2028916), (17, 1193480), (20, 1014458), (34, 596740), (40, 507229), (68, 298370), (85, 238696), (136, 149185), (170, 119348), (340, 59674), (680, 29837)]