20176723256705

素因数分解:

$5^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1\times {\mathrm{431}}^1\times {\mathrm{202049}}^1$

素因数の和:202945

約数の個数: 32

約数和(自身を含む): 24509796480000

約数和(自身を除く): 4333073223295

約数列:

[1, 5, 149, 311, 431, 745, 1555, 2155, 46339, 64219, 134041, 202049, 231695, 321095, 670205, 1010245, 19972109, 30105301, 62837239, 87083119, 99860545, 150526505, 314186195, 435415595, 9362748611, 12975384731, 27082850009, 46813743055, 64876923655, 135414250045, 4035344651341, 20176723256705]

約数ペア:

[(1, 20176723256705), (5, 4035344651341), (149, 135414250045), (311, 64876923655), (431, 46813743055), (745, 27082850009), (1555, 12975384731), (2155, 9362748611), (46339, 435415595), (64219, 314186195), (134041, 150526505), (202049, 99860545), (231695, 87083119), (321095, 62837239), (670205, 30105301), (1010245, 19972109)]