20942703

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1031}}^1$

素因数の和:1135

約数の個数: 24

約数和(自身を含む): 31608096

約数和(自身を除く): 10665393

約数列:

[1, 3, 9, 37, 61, 111, 183, 333, 549, 1031, 2257, 3093, 6771, 9279, 20313, 38147, 62891, 114441, 188673, 343323, 566019, 2326967, 6980901, 20942703]

約数ペア:

[(1, 20942703), (3, 6980901), (9, 2326967), (37, 566019), (61, 343323), (111, 188673), (183, 114441), (333, 62891), (549, 38147), (1031, 20313), (2257, 9279), (3093, 6771)]