20875125

素因数分解:

$3^1\times 5^3\times {\mathrm{55667}}^1$

素因数の和:55685

約数の個数: 16

約数和(自身を含む): 34736832

約数和(自身を除く): 13861707

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 55667, 167001, 278335, 835005, 1391675, 4175025, 6958375, 20875125]

約数ペア:

[(1, 20875125), (3, 6958375), (5, 4175025), (15, 1391675), (25, 835005), (75, 278335), (125, 167001), (375, 55667)]