20199365980

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5642281}}^1$

素因数の和:5642469

約数の個数: 24

約数和(自身を含む): 42655651920

約数和(自身を除く): 22456285940

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5642281, 11284562, 22569124, 28211405, 56422810, 112845620, 1009968299, 2019936598, 4039873196, 5049841495, 10099682990, 20199365980]

約数ペア:

[(1, 20199365980), (2, 10099682990), (4, 5049841495), (5, 4039873196), (10, 2019936598), (20, 1009968299), (179, 112845620), (358, 56422810), (716, 28211405), (895, 22569124), (1790, 11284562), (3580, 5642281)]