20148261

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3343}}^1$

素因数の和:3401

約数の個数: 24

約数和(自身を含む): 32022144

約数和(自身を除く): 11873883

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 3343, 6027, 10029, 23401, 70203, 137063, 163807, 411189, 491421, 959441, 2878323, 6716087, 20148261]

約数ペア:

[(1, 20148261), (3, 6716087), (7, 2878323), (21, 959441), (41, 491421), (49, 411189), (123, 163807), (147, 137063), (287, 70203), (861, 23401), (2009, 10029), (3343, 6027)]