20011312

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73571}}^1$

素因数の和:73596

約数の個数: 20

約数和(自身を含む): 41053176

約数和(自身を除く): 21041864

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73571, 147142, 294284, 588568, 1177136, 1250707, 2501414, 5002828, 10005656, 20011312]

約数ペア:

[(1, 20011312), (2, 10005656), (4, 5002828), (8, 2501414), (16, 1250707), (17, 1177136), (34, 588568), (68, 294284), (136, 147142), (272, 73571)]