20210748475

素因数分解:

$5^2\times {\mathrm{47}}^2\times {\mathrm{509}}^1\times {\mathrm{719}}^1$

素因数の和:1332

約数の個数: 36

約数和(自身を含む): 25691882400

約数和(自身を除く): 5481133925

約数列:

[1, 5, 25, 47, 235, 509, 719, 1175, 2209, 2545, 3595, 11045, 12725, 17975, 23923, 33793, 55225, 119615, 168965, 365971, 598075, 844825, 1124381, 1588271, 1829855, 5621905, 7941355, 9149275, 17200637, 28109525, 39706775, 86003185, 430015925, 808429939, 4042149695, 20210748475]

約数ペア:

[(1, 20210748475), (5, 4042149695), (25, 808429939), (47, 430015925), (235, 86003185), (509, 39706775), (719, 28109525), (1175, 17200637), (2209, 9149275), (2545, 7941355), (3595, 5621905), (11045, 1829855), (12725, 1588271), (17975, 1124381), (23923, 844825), (33793, 598075), (55225, 365971), (119615, 168965)]