209739062020

素因数分解:

$2^2\times 5^1\times {\mathrm{471769}}^1\times {\mathrm{22229}}^1$

素因数の和:494007

約数の個数: 24

約数和(自身を含む): 440472778200

約数和(自身を除く): 230733716180

約数列:

[1, 2, 4, 5, 10, 20, 22229, 44458, 88916, 111145, 222290, 444580, 471769, 943538, 1887076, 2358845, 4717690, 9435380, 10486953101, 20973906202, 41947812404, 52434765505, 104869531010, 209739062020]

約数ペア:

[(1, 209739062020), (2, 104869531010), (4, 52434765505), (5, 41947812404), (10, 20973906202), (20, 10486953101), (22229, 9435380), (44458, 4717690), (88916, 2358845), (111145, 1887076), (222290, 943538), (444580, 471769)]