20941564

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{9011}}^1$

素因数の和:9105

約数の個数: 24

約数和(自身を含む): 42392448

約数和(自身を除く): 21450884

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 9011, 18022, 36044, 63077, 126154, 252308, 747913, 1495826, 2991652, 5235391, 10470782, 20941564]

約数ペア:

[(1, 20941564), (2, 10470782), (4, 5235391), (7, 2991652), (14, 1495826), (28, 747913), (83, 252308), (166, 126154), (332, 63077), (581, 36044), (1162, 18022), (2324, 9011)]