20756225

素因数分解:

$5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1429}}^1$

素因数の和:1529

約数の個数: 24

約数和(自身を含む): 29789760

約数和(自身を除く): 9033535

約数列:

[1, 5, 7, 25, 35, 83, 175, 415, 581, 1429, 2075, 2905, 7145, 10003, 14525, 35725, 50015, 118607, 250075, 593035, 830249, 2965175, 4151245, 20756225]

約数ペア:

[(1, 20756225), (5, 4151245), (7, 2965175), (25, 830249), (35, 593035), (83, 250075), (175, 118607), (415, 50015), (581, 35725), (1429, 14525), (2075, 10003), (2905, 7145)]