20717367535

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{32303}}^1$

素因数の和:32527

約数の個数: 32

約数和(自身を含む): 26949288960

約数和(自身を除く): 6231921425

約数列:

[1, 5, 19, 43, 95, 157, 215, 785, 817, 2983, 4085, 6751, 14915, 32303, 33755, 128269, 161515, 613757, 641345, 1389029, 3068785, 5071571, 6945145, 25357855, 26391551, 96359849, 131957755, 218077553, 481799245, 1090387765, 4143473507, 20717367535]

約数ペア:

[(1, 20717367535), (5, 4143473507), (19, 1090387765), (43, 481799245), (95, 218077553), (157, 131957755), (215, 96359849), (785, 26391551), (817, 25357855), (2983, 6945145), (4085, 5071571), (6751, 3068785), (14915, 1389029), (32303, 641345), (33755, 613757), (128269, 161515)]