20368777

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 25204032

約数和(自身を除く): 4835255

約数列:

[1, 11, 13, 23, 121, 143, 253, 299, 563, 1573, 2783, 3289, 6193, 7319, 12949, 36179, 68123, 80509, 142439, 168337, 885599, 1566829, 1851707, 20368777]

約数ペア:

[(1, 20368777), (11, 1851707), (13, 1566829), (23, 885599), (121, 168337), (143, 142439), (253, 80509), (299, 68123), (563, 36179), (1573, 12949), (2783, 7319), (3289, 6193)]