20165630877

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18828787}}^1$

素因数の和:18828817

約数の個数: 24

約数和(自身を含む): 35247491136

約数和(自身を除く): 15081860259

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18828787, 56486361, 131801509, 169459083, 320089379, 395404527, 960268137, 1186213581, 2240625653, 2880804411, 6721876959, 20165630877]

約数ペア:

[(1, 20165630877), (3, 6721876959), (7, 2880804411), (9, 2240625653), (17, 1186213581), (21, 960268137), (51, 395404527), (63, 320089379), (119, 169459083), (153, 131801509), (357, 56486361), (1071, 18828787)]