20639102

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2239}}^1$

素因数の和:2671

約数の個数: 16

約数和(自身を含む): 33868800

約数和(自身を除く): 13229698

約数列:

[1, 2, 11, 22, 419, 838, 2239, 4478, 4609, 9218, 24629, 49258, 938141, 1876282, 10319551, 20639102]

約数ペア:

[(1, 20639102), (2, 10319551), (11, 1876282), (22, 938141), (419, 49258), (838, 24629), (2239, 9218), (4478, 4609)]