20438004

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{12253}}^1$

素因数の和:12399

約数の個数: 24

約数和(自身を含む): 48035680

約数和(自身を除く): 27597676

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 12253, 24506, 36759, 49012, 73518, 147036, 1703167, 3406334, 5109501, 6812668, 10219002, 20438004]

約数ペア:

[(1, 20438004), (2, 10219002), (3, 6812668), (4, 5109501), (6, 3406334), (12, 1703167), (139, 147036), (278, 73518), (417, 49012), (556, 36759), (834, 24506), (1668, 12253)]