20747650965

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10558601}}^1$

素因数の和:10558740

約数の個数: 16

約数和(自身を含む): 33449651136

約数和(自身を除く): 12702000171

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10558601, 31675803, 52793005, 158379015, 1383176731, 4149530193, 6915883655, 20747650965]

約数ペア:

[(1, 20747650965), (3, 6915883655), (5, 4149530193), (15, 1383176731), (131, 158379015), (393, 52793005), (655, 31675803), (1965, 10558601)]