20371095

素因数分解:

$3^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:477

約数の個数: 40

約数和(自身を含む): 36851760

約数和(自身を除く): 16480665

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 179, 281, 405, 537, 843, 895, 1405, 1611, 2529, 2685, 4215, 4833, 7587, 8055, 12645, 14499, 22761, 24165, 37935, 50299, 72495, 113805, 150897, 251495, 452691, 754485, 1358073, 2263455, 4074219, 6790365, 20371095]

約数ペア:

[(1, 20371095), (3, 6790365), (5, 4074219), (9, 2263455), (15, 1358073), (27, 754485), (45, 452691), (81, 251495), (135, 150897), (179, 113805), (281, 72495), (405, 50299), (537, 37935), (843, 24165), (895, 22761), (1405, 14499), (1611, 12645), (2529, 8055), (2685, 7587), (4215, 4833)]