20986914

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269063}}^1$

素因数の和:269081

約数の個数: 16

約数和(自身を含む): 45202752

約数和(自身を除く): 24215838

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 269063, 538126, 807189, 1614378, 3497819, 6995638, 10493457, 20986914]

約数ペア:

[(1, 20986914), (2, 10493457), (3, 6995638), (6, 3497819), (13, 1614378), (26, 807189), (39, 538126), (78, 269063)]