20761433

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 28477440

約数和(自身を除く): 7716007

約数列:

[1, 7, 11, 19, 23, 77, 133, 161, 209, 253, 437, 617, 1463, 1771, 3059, 4319, 4807, 6787, 11723, 14191, 33649, 47509, 82061, 99337, 128953, 156101, 269629, 902671, 1092707, 1887403, 2965919, 20761433]

約数ペア:

[(1, 20761433), (7, 2965919), (11, 1887403), (19, 1092707), (23, 902671), (77, 269629), (133, 156101), (161, 128953), (209, 99337), (253, 82061), (437, 47509), (617, 33649), (1463, 14191), (1771, 11723), (3059, 6787), (4319, 4807)]