20109525

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{5059}}^1$

素因数の和:5125

約数の個数: 24

約数和(自身を含む): 33881760

約数和(自身を除く): 13772235

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 5059, 15177, 25295, 75885, 126475, 268127, 379425, 804381, 1340635, 4021905, 6703175, 20109525]

約数ペア:

[(1, 20109525), (3, 6703175), (5, 4021905), (15, 1340635), (25, 804381), (53, 379425), (75, 268127), (159, 126475), (265, 75885), (795, 25295), (1325, 15177), (3975, 5059)]