20456976

素因数分解:

$2^4\times 3^1\times {\mathrm{67}}^1\times {\mathrm{6361}}^1$

素因数の和:6439

約数の個数: 40

約数和(自身を含む): 53644384

約数和(自身を除く): 33187408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 134, 201, 268, 402, 536, 804, 1072, 1608, 3216, 6361, 12722, 19083, 25444, 38166, 50888, 76332, 101776, 152664, 305328, 426187, 852374, 1278561, 1704748, 2557122, 3409496, 5114244, 6818992, 10228488, 20456976]

約数ペア:

[(1, 20456976), (2, 10228488), (3, 6818992), (4, 5114244), (6, 3409496), (8, 2557122), (12, 1704748), (16, 1278561), (24, 852374), (48, 426187), (67, 305328), (134, 152664), (201, 101776), (268, 76332), (402, 50888), (536, 38166), (804, 25444), (1072, 19083), (1608, 12722), (3216, 6361)]