201671620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{245941}}^1$

素因数の和:245991

約数の個数: 24

約数和(自身を含む): 433841688

約数和(自身を除く): 232170068

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 245941, 491882, 983764, 1229705, 2459410, 4918820, 10083581, 20167162, 40334324, 50417905, 100835810, 201671620]

約数ペア:

[(1, 201671620), (2, 100835810), (4, 50417905), (5, 40334324), (10, 20167162), (20, 10083581), (41, 4918820), (82, 2459410), (164, 1229705), (205, 983764), (410, 491882), (820, 245941)]