20843287832

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{624649}}^1$

素因数の和:624795

約数の個数: 32

約数和(自身を含む): 40402362000

約数和(自身を除く): 19559074168

約数列:

[1, 2, 4, 8, 43, 86, 97, 172, 194, 344, 388, 776, 4171, 8342, 16684, 33368, 624649, 1249298, 2498596, 4997192, 26859907, 53719814, 60590953, 107439628, 121181906, 214879256, 242363812, 484727624, 2605410979, 5210821958, 10421643916, 20843287832]

約数ペア:

[(1, 20843287832), (2, 10421643916), (4, 5210821958), (8, 2605410979), (43, 484727624), (86, 242363812), (97, 214879256), (172, 121181906), (194, 107439628), (344, 60590953), (388, 53719814), (776, 26859907), (4171, 4997192), (8342, 2498596), (16684, 1249298), (33368, 624649)]