20949676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15359}}^1$

素因数の和:15405

約数の個数: 24

約数和(自身を含む): 41287680

約数和(自身を除く): 20338004

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15359, 30718, 61436, 168949, 337898, 476129, 675796, 952258, 1904516, 5237419, 10474838, 20949676]

約数ペア:

[(1, 20949676), (2, 10474838), (4, 5237419), (11, 1904516), (22, 952258), (31, 675796), (44, 476129), (62, 337898), (124, 168949), (341, 61436), (682, 30718), (1364, 15359)]