20851968

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{1429}}^1$

素因数の和:1467

約数の個数: 72

約数和(自身を含む): 58458400

約数和(自身を除く): 37606432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 256, 304, 384, 456, 608, 768, 912, 1216, 1429, 1824, 2432, 2858, 3648, 4287, 4864, 5716, 7296, 8574, 11432, 14592, 17148, 22864, 27151, 34296, 45728, 54302, 68592, 81453, 91456, 108604, 137184, 162906, 182912, 217208, 274368, 325812, 365824, 434416, 548736, 651624, 868832, 1097472, 1303248, 1737664, 2606496, 3475328, 5212992, 6950656, 10425984, 20851968]

約数ペア:

[(1, 20851968), (2, 10425984), (3, 6950656), (4, 5212992), (6, 3475328), (8, 2606496), (12, 1737664), (16, 1303248), (19, 1097472), (24, 868832), (32, 651624), (38, 548736), (48, 434416), (57, 365824), (64, 325812), (76, 274368), (96, 217208), (114, 182912), (128, 162906), (152, 137184), (192, 108604), (228, 91456), (256, 81453), (304, 68592), (384, 54302), (456, 45728), (608, 34296), (768, 27151), (912, 22864), (1216, 17148), (1429, 14592), (1824, 11432), (2432, 8574), (2858, 7296), (3648, 5716), (4287, 4864)]