20120863795

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{86573}}^1$

素因数の和:86691

約数の個数: 32

約数和(自身を含む): 26329577472

約数和(自身を除く): 6208713677

約数列:

[1, 5, 23, 43, 47, 115, 215, 235, 989, 1081, 2021, 4945, 5405, 10105, 46483, 86573, 232415, 432865, 1991179, 3722639, 4068931, 9955895, 18613195, 20344655, 85620697, 93585413, 174964033, 428103485, 467927065, 874820165, 4024172759, 20120863795]

約数ペア:

[(1, 20120863795), (5, 4024172759), (23, 874820165), (43, 467927065), (47, 428103485), (115, 174964033), (215, 93585413), (235, 85620697), (989, 20344655), (1081, 18613195), (2021, 9955895), (4945, 4068931), (5405, 3722639), (10105, 1991179), (46483, 432865), (86573, 232415)]