20325456

素因数分解:

$2^4\times 3^2\times {\mathrm{191}}^1\times {\mathrm{739}}^1$

素因数の和:944

約数の個数: 60

約数和(自身を含む): 57258240

約数和(自身を除く): 36932784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 191, 382, 573, 739, 764, 1146, 1478, 1528, 1719, 2217, 2292, 2956, 3056, 3438, 4434, 4584, 5912, 6651, 6876, 8868, 9168, 11824, 13302, 13752, 17736, 26604, 27504, 35472, 53208, 106416, 141149, 282298, 423447, 564596, 846894, 1129192, 1270341, 1693788, 2258384, 2540682, 3387576, 5081364, 6775152, 10162728, 20325456]

約数ペア:

[(1, 20325456), (2, 10162728), (3, 6775152), (4, 5081364), (6, 3387576), (8, 2540682), (9, 2258384), (12, 1693788), (16, 1270341), (18, 1129192), (24, 846894), (36, 564596), (48, 423447), (72, 282298), (144, 141149), (191, 106416), (382, 53208), (573, 35472), (739, 27504), (764, 26604), (1146, 17736), (1478, 13752), (1528, 13302), (1719, 11824), (2217, 9168), (2292, 8868), (2956, 6876), (3056, 6651), (3438, 5912), (4434, 4584)]