66108020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{300491}}^1$

素因数の和:300511

約数の個数: 24

約数和(自身を含む): 151447968

約数和(自身を除く): 85339948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 300491, 600982, 1201964, 1502455, 3004910, 3305401, 6009820, 6610802, 13221604, 16527005, 33054010, 66108020]

約数ペア:

[(1, 66108020), (2, 33054010), (4, 16527005), (5, 13221604), (10, 6610802), (11, 6009820), (20, 3305401), (22, 3004910), (44, 1502455), (55, 1201964), (110, 600982), (220, 300491)]