20974125

素因数分解:

$3^1\times 5^3\times {\mathrm{55931}}^1$

素因数の和:55949

約数の個数: 16

約数和(自身を含む): 34901568

約数和(自身を除く): 13927443

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 55931, 167793, 279655, 838965, 1398275, 4194825, 6991375, 20974125]

約数ペア:

[(1, 20974125), (3, 6991375), (5, 4194825), (15, 1398275), (25, 838965), (75, 279655), (125, 167793), (375, 55931)]