20101844425

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{1163}}^1\times {\mathrm{4091}}^1$

素因数の和:5290

約数の個数: 36

約数和(自身を含む): 27020998224

約数和(自身を除く): 6919153799

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 1163, 4091, 4225, 5815, 15119, 20455, 29075, 53183, 75595, 102275, 196547, 265915, 377975, 691379, 982735, 1329575, 3456895, 4757833, 4913675, 17284475, 23789165, 61851829, 118945825, 309259145, 804073777, 1546295725, 4020368885, 20101844425]

約数ペア:

[(1, 20101844425), (5, 4020368885), (13, 1546295725), (25, 804073777), (65, 309259145), (169, 118945825), (325, 61851829), (845, 23789165), (1163, 17284475), (4091, 4913675), (4225, 4757833), (5815, 3456895), (15119, 1329575), (20455, 982735), (29075, 691379), (53183, 377975), (75595, 265915), (102275, 196547)]