20925225

素因数分解:

$3^2\times 5^2\times {\mathrm{93001}}^1$

素因数の和:93017

約数の個数: 18

約数和(自身を含む): 37479806

約数和(自身を除く): 16554581

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 93001, 279003, 465005, 837009, 1395015, 2325025, 4185045, 6975075, 20925225]

約数ペア:

[(1, 20925225), (3, 6975075), (5, 4185045), (9, 2325025), (15, 1395015), (25, 837009), (45, 465005), (75, 279003), (225, 93001)]