20101175

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 26462592

約数和(自身を除く): 6361417

約数列:

[1, 5, 25, 31, 37, 155, 185, 701, 775, 925, 1147, 3505, 5735, 17525, 21731, 25937, 28675, 108655, 129685, 543275, 648425, 804047, 4020235, 20101175]

約数ペア:

[(1, 20101175), (5, 4020235), (25, 804047), (31, 648425), (37, 543275), (155, 129685), (185, 108655), (701, 28675), (775, 25937), (925, 21731), (1147, 17525), (3505, 5735)]