20902156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16381}}^1$

素因数の和:16425

約数の個数: 24

約数和(自身を含む): 41282640

約数和(自身を除く): 20380484

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 16381, 32762, 65524, 180191, 360382, 475049, 720764, 950098, 1900196, 5225539, 10451078, 20902156]

約数ペア:

[(1, 20902156), (2, 10451078), (4, 5225539), (11, 1900196), (22, 950098), (29, 720764), (44, 475049), (58, 360382), (116, 180191), (319, 65524), (638, 32762), (1276, 16381)]