20935525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1741}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 28729064

約数和(自身を除く): 7793539

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 925, 1741, 2405, 8705, 12025, 22633, 43525, 64417, 113165, 322085, 565825, 837421, 1610425, 4187105, 20935525]

約数ペア:

[(1, 20935525), (5, 4187105), (13, 1610425), (25, 837421), (37, 565825), (65, 322085), (185, 113165), (325, 64417), (481, 43525), (925, 22633), (1741, 12025), (2405, 8705)]