20740755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3727}}^1$

素因数の和:3795

約数の個数: 32

約数和(自身を含む): 38651904

約数和(自身を除く): 17911149

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 105, 159, 265, 371, 795, 1113, 1855, 3727, 5565, 11181, 18635, 26089, 55905, 78267, 130445, 197531, 391335, 592593, 987655, 1382717, 2962965, 4148151, 6913585, 20740755]

約数ペア:

[(1, 20740755), (3, 6913585), (5, 4148151), (7, 2962965), (15, 1382717), (21, 987655), (35, 592593), (53, 391335), (105, 197531), (159, 130445), (265, 78267), (371, 55905), (795, 26089), (1113, 18635), (1855, 11181), (3727, 5565)]