20178

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:86

約数の個数: 24

約数和(自身を含む): 46800

約数和(自身を除く): 26622

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 59, 114, 118, 171, 177, 342, 354, 531, 1062, 1121, 2242, 3363, 6726, 10089, 20178]

約数ペア:

[(1, 20178), (2, 10089), (3, 6726), (6, 3363), (9, 2242), (18, 1121), (19, 1062), (38, 531), (57, 354), (59, 342), (114, 177), (118, 171)]