20528972

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{983}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 37691136

約数和(自身を除く): 17162164

約数列:

[1, 2, 4, 23, 46, 92, 227, 454, 908, 983, 1966, 3932, 5221, 10442, 20884, 22609, 45218, 90436, 223141, 446282, 892564, 5132243, 10264486, 20528972]

約数ペア:

[(1, 20528972), (2, 10264486), (4, 5132243), (23, 892564), (46, 446282), (92, 223141), (227, 90436), (454, 45218), (908, 22609), (983, 20884), (1966, 10442), (3932, 5221)]