20495312

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{24169}}^1$

素因数の和:24230

約数の個数: 20

約数和(自身を含む): 40460580

約数和(自身を除く): 19965268

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 24169, 48338, 96676, 193352, 386704, 1280957, 2561914, 5123828, 10247656, 20495312]

約数ペア:

[(1, 20495312), (2, 10247656), (4, 5123828), (8, 2561914), (16, 1280957), (53, 386704), (106, 193352), (212, 96676), (424, 48338), (848, 24169)]