20199596170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1\times {\mathrm{7457}}^1$

素因数の和:7855

約数の個数: 64

約数和(自身を含む): 39873689856

約数和(自身を除く): 19674093686

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 311, 335, 622, 670, 871, 1555, 1742, 3110, 4043, 4355, 7457, 8086, 8710, 14914, 20215, 20837, 37285, 40430, 41674, 74570, 96941, 104185, 193882, 208370, 270881, 484705, 499619, 541762, 969410, 999238, 1354405, 2319127, 2498095, 2708810, 4638254, 4996190, 6495047, 11595635, 12990094, 23191270, 30148651, 32475235, 60297302, 64950470, 150743255, 155381509, 301486510, 310763018, 776907545, 1553815090, 2019959617, 4039919234, 10099798085, 20199596170]

約数ペア:

[(1, 20199596170), (2, 10099798085), (5, 4039919234), (10, 2019959617), (13, 1553815090), (26, 776907545), (65, 310763018), (67, 301486510), (130, 155381509), (134, 150743255), (311, 64950470), (335, 60297302), (622, 32475235), (670, 30148651), (871, 23191270), (1555, 12990094), (1742, 11595635), (3110, 6495047), (4043, 4996190), (4355, 4638254), (7457, 2708810), (8086, 2498095), (8710, 2319127), (14914, 1354405), (20215, 999238), (20837, 969410), (37285, 541762), (40430, 499619), (41674, 484705), (74570, 270881), (96941, 208370), (104185, 193882)]