20649708

素因数分解:

$2^2\times 3^3\times {\mathrm{263}}^1\times {\mathrm{727}}^1$

素因数の和:1003

約数の個数: 48

約数和(自身を含む): 53813760

約数和(自身を除く): 33164052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 263, 526, 727, 789, 1052, 1454, 1578, 2181, 2367, 2908, 3156, 4362, 4734, 6543, 7101, 8724, 9468, 13086, 14202, 19629, 26172, 28404, 39258, 78516, 191201, 382402, 573603, 764804, 1147206, 1720809, 2294412, 3441618, 5162427, 6883236, 10324854, 20649708]

約数ペア:

[(1, 20649708), (2, 10324854), (3, 6883236), (4, 5162427), (6, 3441618), (9, 2294412), (12, 1720809), (18, 1147206), (27, 764804), (36, 573603), (54, 382402), (108, 191201), (263, 78516), (526, 39258), (727, 28404), (789, 26172), (1052, 19629), (1454, 14202), (1578, 13086), (2181, 9468), (2367, 8724), (2908, 7101), (3156, 6543), (4362, 4734)]