20782920368

素因数分解:

$2^4\times 7^2\times {\mathrm{3329}}^1\times {\mathrm{7963}}^1$

素因数の和:11314

約数の個数: 60

約数和(自身を含む): 46861052040

約数和(自身を除く): 26078131672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 3329, 6658, 7963, 13316, 15926, 23303, 26632, 31852, 46606, 53264, 55741, 63704, 93212, 111482, 127408, 163121, 186424, 222964, 326242, 372848, 390187, 445928, 652484, 780374, 891856, 1304968, 1560748, 2609936, 3121496, 6242992, 26508827, 53017654, 106035308, 185561789, 212070616, 371123578, 424141232, 742247156, 1298932523, 1484494312, 2597865046, 2968988624, 5195730092, 10391460184, 20782920368]

約数ペア:

[(1, 20782920368), (2, 10391460184), (4, 5195730092), (7, 2968988624), (8, 2597865046), (14, 1484494312), (16, 1298932523), (28, 742247156), (49, 424141232), (56, 371123578), (98, 212070616), (112, 185561789), (196, 106035308), (392, 53017654), (784, 26508827), (3329, 6242992), (6658, 3121496), (7963, 2609936), (13316, 1560748), (15926, 1304968), (23303, 891856), (26632, 780374), (31852, 652484), (46606, 445928), (53264, 390187), (55741, 372848), (63704, 326242), (93212, 222964), (111482, 186424), (127408, 163121)]