20653563

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 33426432

約数和(自身を除く): 12772869

約数列:

[1, 3, 7, 21, 23, 61, 69, 161, 183, 427, 483, 701, 1281, 1403, 2103, 4209, 4907, 9821, 14721, 16123, 29463, 42761, 48369, 112861, 128283, 299327, 338583, 897981, 983503, 2950509, 6884521, 20653563]

約数ペア:

[(1, 20653563), (3, 6884521), (7, 2950509), (21, 983503), (23, 897981), (61, 338583), (69, 299327), (161, 128283), (183, 112861), (427, 48369), (483, 42761), (701, 29463), (1281, 16123), (1403, 14721), (2103, 9821), (4209, 4907)]