20282704

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{577}}^1$

素因数の和:624

約数の個数: 40

約数和(自身を含む): 42644840

約数和(自身を除く): 22362136

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 577, 676, 1154, 1352, 2197, 2308, 2704, 4394, 4616, 7501, 8788, 9232, 15002, 17576, 30004, 35152, 60008, 97513, 120016, 195026, 390052, 780104, 1267669, 1560208, 2535338, 5070676, 10141352, 20282704]

約数ペア:

[(1, 20282704), (2, 10141352), (4, 5070676), (8, 2535338), (13, 1560208), (16, 1267669), (26, 780104), (52, 390052), (104, 195026), (169, 120016), (208, 97513), (338, 60008), (577, 35152), (676, 30004), (1154, 17576), (1352, 15002), (2197, 9232), (2308, 8788), (2704, 7501), (4394, 4616)]