20200875

素因数分解:

$3^1\times 5^3\times {\mathrm{103}}^1\times {\mathrm{523}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 34005504

約数和(自身を除く): 13804629

約数列:

[1, 3, 5, 15, 25, 75, 103, 125, 309, 375, 515, 523, 1545, 1569, 2575, 2615, 7725, 7845, 12875, 13075, 38625, 39225, 53869, 65375, 161607, 196125, 269345, 808035, 1346725, 4040175, 6733625, 20200875]

約数ペア:

[(1, 20200875), (3, 6733625), (5, 4040175), (15, 1346725), (25, 808035), (75, 269345), (103, 196125), (125, 161607), (309, 65375), (375, 53869), (515, 39225), (523, 38625), (1545, 13075), (1569, 12875), (2575, 7845), (2615, 7725)]