20065875

素因数分解:

$3^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{733}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 33893184

約数和(自身を除く): 13827309

約数列:

[1, 3, 5, 15, 25, 73, 75, 125, 219, 365, 375, 733, 1095, 1825, 2199, 3665, 5475, 9125, 10995, 18325, 27375, 53509, 54975, 91625, 160527, 267545, 274875, 802635, 1337725, 4013175, 6688625, 20065875]

約数ペア:

[(1, 20065875), (3, 6688625), (5, 4013175), (15, 1337725), (25, 802635), (73, 274875), (75, 267545), (125, 160527), (219, 91625), (365, 54975), (375, 53509), (733, 27375), (1095, 18325), (1825, 10995), (2199, 9125), (3665, 5475)]