20197875

素因数分解:

$3^1\times 5^3\times {\mathrm{53861}}^1$

素因数の和:53879

約数の個数: 16

約数和(自身を含む): 33609888

約数和(自身を除く): 13412013

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 53861, 161583, 269305, 807915, 1346525, 4039575, 6732625, 20197875]

約数ペア:

[(1, 20197875), (3, 6732625), (5, 4039575), (15, 1346525), (25, 807915), (75, 269305), (125, 161583), (375, 53861)]