20320842

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{449}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 42984000

約数和(自身を除く): 22663158

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 397, 449, 794, 898, 1191, 1347, 2382, 2694, 7543, 8531, 15086, 17062, 22629, 25593, 45258, 51186, 178253, 356506, 534759, 1069518, 3386807, 6773614, 10160421, 20320842]

約数ペア:

[(1, 20320842), (2, 10160421), (3, 6773614), (6, 3386807), (19, 1069518), (38, 534759), (57, 356506), (114, 178253), (397, 51186), (449, 45258), (794, 25593), (898, 22629), (1191, 17062), (1347, 15086), (2382, 8531), (2694, 7543)]