20333872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3371}}^1$

素因数の和:3421

約数の個数: 40

約数和(自身を含む): 43903440

約数和(自身を除く): 23569568

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 3371, 6032, 6742, 13484, 26968, 43823, 53936, 87646, 97759, 175292, 195518, 350584, 391036, 701168, 782072, 1270867, 1564144, 2541734, 5083468, 10166936, 20333872]

約数ペア:

[(1, 20333872), (2, 10166936), (4, 5083468), (8, 2541734), (13, 1564144), (16, 1270867), (26, 782072), (29, 701168), (52, 391036), (58, 350584), (104, 195518), (116, 175292), (208, 97759), (232, 87646), (377, 53936), (464, 43823), (754, 26968), (1508, 13484), (3016, 6742), (3371, 6032)]