20942708

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2351}}^1$

素因数の和:2503

約数の個数: 24

約数和(自身を含む): 39118464

約数和(自身を除く): 18175756

約数列:

[1, 2, 4, 17, 34, 68, 131, 262, 524, 2227, 2351, 4454, 4702, 8908, 9404, 39967, 79934, 159868, 307981, 615962, 1231924, 5235677, 10471354, 20942708]

約数ペア:

[(1, 20942708), (2, 10471354), (4, 5235677), (17, 1231924), (34, 615962), (68, 307981), (131, 159868), (262, 79934), (524, 39967), (2227, 9404), (2351, 8908), (4454, 4702)]