20212852945

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{1031}}^1\times {\mathrm{64279}}^1$

素因数の和:65376

約数の個数: 16

約数和(自身を含む): 24677349120

約数和(自身を除く): 4464496175

約数列:

[1, 5, 61, 305, 1031, 5155, 62891, 64279, 314455, 321395, 3921019, 19605095, 66271649, 331358245, 4042570589, 20212852945]

約数ペア:

[(1, 20212852945), (5, 4042570589), (61, 331358245), (305, 66271649), (1031, 19605095), (5155, 3921019), (62891, 321395), (64279, 314455)]