20108917825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{1571}}^1$

素因数の和:1914

約数の個数: 48

約数和(自身を含む): 26399488896

約数和(自身を除く): 6290571071

約数列:

[1, 5, 23, 25, 113, 115, 197, 565, 575, 985, 1571, 2599, 2825, 4531, 4925, 7855, 12995, 22261, 22655, 36133, 39275, 64975, 111305, 113275, 177523, 180665, 309487, 512003, 556525, 887615, 903325, 1547435, 2560015, 4083029, 4438075, 7118201, 7737175, 12800075, 20415145, 34972031, 35591005, 102075725, 174860155, 177955025, 804356713, 874300775, 4021783565, 20108917825]

約数ペア:

[(1, 20108917825), (5, 4021783565), (23, 874300775), (25, 804356713), (113, 177955025), (115, 174860155), (197, 102075725), (565, 35591005), (575, 34972031), (985, 20415145), (1571, 12800075), (2599, 7737175), (2825, 7118201), (4531, 4438075), (4925, 4083029), (7855, 2560015), (12995, 1547435), (22261, 903325), (22655, 887615), (36133, 556525), (39275, 512003), (64975, 309487), (111305, 180665), (113275, 177523)]