20210938672

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54921029}}^1$

素因数の和:54921060

約数の個数: 20

約数和(自身を含む): 40861246320

約数和(自身を除く): 20650307648

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54921029, 109842058, 219684116, 439368232, 878736464, 1263183667, 2526367334, 5052734668, 10105469336, 20210938672]

約数ペア:

[(1, 20210938672), (2, 10105469336), (4, 5052734668), (8, 2526367334), (16, 1263183667), (23, 878736464), (46, 439368232), (92, 219684116), (184, 109842058), (368, 54921029)]