1899408020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{940301}}^1$

素因数の和:940411

約数の個数: 24

約数和(自身を含む): 4028253768

約数和(自身を除く): 2128845748

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 940301, 1880602, 3761204, 4701505, 9403010, 18806020, 94970401, 189940802, 379881604, 474852005, 949704010, 1899408020]

約数ペア:

[(1, 1899408020), (2, 949704010), (4, 474852005), (5, 379881604), (10, 189940802), (20, 94970401), (101, 18806020), (202, 9403010), (404, 4701505), (505, 3761204), (1010, 1880602), (2020, 940301)]