20653860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344231}}^1$

素因数の和:344243

約数の個数: 24

約数和(自身を含む): 57830976

約数和(自身を除く): 37177116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344231, 688462, 1032693, 1376924, 1721155, 2065386, 3442310, 4130772, 5163465, 6884620, 10326930, 20653860]

約数ペア:

[(1, 20653860), (2, 10326930), (3, 6884620), (4, 5163465), (5, 4130772), (6, 3442310), (10, 2065386), (12, 1721155), (15, 1376924), (20, 1032693), (30, 688462), (60, 344231)]