20813952

素因数分解:

$2^7\times 3^1\times {\mathrm{67}}^1\times {\mathrm{809}}^1$

素因数の和:893

約数の個数: 64

約数和(自身を含む): 56181600

約数和(自身を除く): 35367648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 67, 96, 128, 134, 192, 201, 268, 384, 402, 536, 804, 809, 1072, 1608, 1618, 2144, 2427, 3216, 3236, 4288, 4854, 6432, 6472, 8576, 9708, 12864, 12944, 19416, 25728, 25888, 38832, 51776, 54203, 77664, 103552, 108406, 155328, 162609, 216812, 310656, 325218, 433624, 650436, 867248, 1300872, 1734496, 2601744, 3468992, 5203488, 6937984, 10406976, 20813952]

約数ペア:

[(1, 20813952), (2, 10406976), (3, 6937984), (4, 5203488), (6, 3468992), (8, 2601744), (12, 1734496), (16, 1300872), (24, 867248), (32, 650436), (48, 433624), (64, 325218), (67, 310656), (96, 216812), (128, 162609), (134, 155328), (192, 108406), (201, 103552), (268, 77664), (384, 54203), (402, 51776), (536, 38832), (804, 25888), (809, 25728), (1072, 19416), (1608, 12944), (1618, 12864), (2144, 9708), (2427, 8576), (3216, 6472), (3236, 6432), (4288, 4854)]