20371624

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27983}}^1$

素因数の和:28009

約数の個数: 32

約数和(自身を含む): 47013120

約数和(自身を除く): 26641496

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 27983, 55966, 111932, 195881, 223864, 363779, 391762, 727558, 783524, 1455116, 1567048, 2546453, 2910232, 5092906, 10185812, 20371624]

約数ペア:

[(1, 20371624), (2, 10185812), (4, 5092906), (7, 2910232), (8, 2546453), (13, 1567048), (14, 1455116), (26, 783524), (28, 727558), (52, 391762), (56, 363779), (91, 223864), (104, 195881), (182, 111932), (364, 55966), (728, 27983)]