20658435

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1087}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 38019072

約数和(自身を除く): 17360637

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 181, 543, 905, 1087, 1267, 2715, 3261, 3801, 5435, 6335, 7609, 16305, 19005, 22827, 38045, 114135, 196747, 590241, 983735, 1377229, 2951205, 4131687, 6886145, 20658435]

約数ペア:

[(1, 20658435), (3, 6886145), (5, 4131687), (7, 2951205), (15, 1377229), (21, 983735), (35, 590241), (105, 196747), (181, 114135), (543, 38045), (905, 22827), (1087, 19005), (1267, 16305), (2715, 7609), (3261, 6335), (3801, 5435)]