20131309084

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{67391}}^1$

素因数の和:67626

約数の個数: 48

約数和(自身を含む): 39128334336

約数和(自身を除く): 18997025252

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 191, 382, 391, 764, 782, 1564, 3247, 4393, 6494, 8786, 12988, 17572, 67391, 74681, 134782, 149362, 269564, 298724, 1145647, 1549993, 2291294, 3099986, 4582588, 6199972, 12871681, 25743362, 26349881, 51486724, 52699762, 105399524, 218818577, 296048663, 437637154, 592097326, 875274308, 1184194652, 5032827271, 10065654542, 20131309084]

約数ペア:

[(1, 20131309084), (2, 10065654542), (4, 5032827271), (17, 1184194652), (23, 875274308), (34, 592097326), (46, 437637154), (68, 296048663), (92, 218818577), (191, 105399524), (382, 52699762), (391, 51486724), (764, 26349881), (782, 25743362), (1564, 12871681), (3247, 6199972), (4393, 4582588), (6494, 3099986), (8786, 2291294), (12988, 1549993), (17572, 1145647), (67391, 298724), (74681, 269564), (134782, 149362)]