20185910576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1090423}}^1$

素因数の和:1090533

約数の個数: 40

約数和(自身を含む): 42591961440

約数和(自身を除く): 22406050864

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1157, 1424, 2314, 4628, 9256, 18512, 1090423, 2180846, 4361692, 8723384, 14175499, 17446768, 28350998, 56701996, 97047647, 113403992, 194095294, 226807984, 388190588, 776381176, 1261619411, 1552762352, 2523238822, 5046477644, 10092955288, 20185910576]

約数ペア:

[(1, 20185910576), (2, 10092955288), (4, 5046477644), (8, 2523238822), (13, 1552762352), (16, 1261619411), (26, 776381176), (52, 388190588), (89, 226807984), (104, 194095294), (178, 113403992), (208, 97047647), (356, 56701996), (712, 28350998), (1157, 17446768), (1424, 14175499), (2314, 8723384), (4628, 4361692), (9256, 2180846), (18512, 1090423)]