20177066455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2953}}^1\times {\mathrm{15017}}^1$

素因数の和:17995

約数の個数: 32

約数和(自身を含む): 29812051584

約数和(自身を除く): 9634985129

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 2953, 14765, 15017, 20671, 38389, 75085, 103355, 105119, 191945, 195221, 268723, 525595, 976105, 1343615, 1366547, 6832735, 44345201, 221726005, 310416407, 576487613, 1552082035, 2882438065, 4035413291, 20177066455]

約数ペア:

[(1, 20177066455), (5, 4035413291), (7, 2882438065), (13, 1552082035), (35, 576487613), (65, 310416407), (91, 221726005), (455, 44345201), (2953, 6832735), (14765, 1366547), (15017, 1343615), (20671, 976105), (38389, 525595), (75085, 268723), (103355, 195221), (105119, 191945)]