20915325

素因数分解:

$3^2\times 5^2\times {\mathrm{92957}}^1$

素因数の和:92973

約数の個数: 18

約数和(自身を含む): 37462074

約数和(自身を除く): 16546749

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 92957, 278871, 464785, 836613, 1394355, 2323925, 4183065, 6971775, 20915325]

約数ペア:

[(1, 20915325), (3, 6971775), (5, 4183065), (9, 2323925), (15, 1394355), (25, 836613), (45, 464785), (75, 278871), (225, 92957)]