20171762705

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1\times {\mathrm{829}}^1$

素因数の和:1353

約数の個数: 32

約数和(自身を含む): 24675302400

約数和(自身を除く): 4503539695

約数列:

[1, 5, 139, 157, 223, 695, 785, 829, 1115, 4145, 21823, 30997, 35011, 109115, 115231, 130153, 154985, 175055, 184867, 576155, 650765, 924335, 4866529, 18091267, 24332645, 25696513, 29024119, 90456335, 128482565, 145120595, 4034352541, 20171762705]

約数ペア:

[(1, 20171762705), (5, 4034352541), (139, 145120595), (157, 128482565), (223, 90456335), (695, 29024119), (785, 25696513), (829, 24332645), (1115, 18091267), (4145, 4866529), (21823, 924335), (30997, 650765), (35011, 576155), (109115, 184867), (115231, 175055), (130153, 154985)]