20558466

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 46289880

約数和(自身を除く): 25731414

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 89, 123, 178, 246, 267, 313, 369, 534, 626, 738, 801, 939, 1602, 1878, 2817, 3649, 5634, 7298, 10947, 12833, 21894, 25666, 27857, 32841, 38499, 55714, 65682, 76998, 83571, 115497, 167142, 230994, 250713, 501426, 1142137, 2284274, 3426411, 6852822, 10279233, 20558466]

約数ペア:

[(1, 20558466), (2, 10279233), (3, 6852822), (6, 3426411), (9, 2284274), (18, 1142137), (41, 501426), (82, 250713), (89, 230994), (123, 167142), (178, 115497), (246, 83571), (267, 76998), (313, 65682), (369, 55714), (534, 38499), (626, 32841), (738, 27857), (801, 25666), (939, 21894), (1602, 12833), (1878, 10947), (2817, 7298), (3649, 5634)]