20382525

素因数分解:

$3^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:750

約数の個数: 36

約数和(自身を含む): 36803572

約数和(自身を除く): 16421047

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 157, 225, 471, 577, 785, 1413, 1731, 2355, 2885, 3925, 5193, 7065, 8655, 11775, 14425, 25965, 35325, 43275, 90589, 129825, 271767, 452945, 815301, 1358835, 2264725, 4076505, 6794175, 20382525]

約数ペア:

[(1, 20382525), (3, 6794175), (5, 4076505), (9, 2264725), (15, 1358835), (25, 815301), (45, 452945), (75, 271767), (157, 129825), (225, 90589), (471, 43275), (577, 35325), (785, 25965), (1413, 14425), (1731, 11775), (2355, 8655), (2885, 7065), (3925, 5193)]