20811816

素因数分解:

$2^3\times 3^4\times {\mathrm{32117}}^1$

素因数の和:32135

約数の個数: 40

約数和(自身を含む): 58294170

約数和(自身を除く): 37482354

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 32117, 64234, 96351, 128468, 192702, 256936, 289053, 385404, 578106, 770808, 867159, 1156212, 1734318, 2312424, 2601477, 3468636, 5202954, 6937272, 10405908, 20811816]

約数ペア:

[(1, 20811816), (2, 10405908), (3, 6937272), (4, 5202954), (6, 3468636), (8, 2601477), (9, 2312424), (12, 1734318), (18, 1156212), (24, 867159), (27, 770808), (36, 578106), (54, 385404), (72, 289053), (81, 256936), (108, 192702), (162, 128468), (216, 96351), (324, 64234), (648, 32117)]