20727693

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4507}}^1$

素因数の和:4593

約数の個数: 24

約数和(自身を含む): 34693568

約数和(自身を除く): 13965875

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4507, 4599, 13521, 31549, 40563, 94647, 283941, 329011, 987033, 2303077, 2961099, 6909231, 20727693]

約数ペア:

[(1, 20727693), (3, 6909231), (7, 2961099), (9, 2303077), (21, 987033), (63, 329011), (73, 283941), (219, 94647), (511, 40563), (657, 31549), (1533, 13521), (4507, 4599)]