20307232

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1861}}^1$

素因数の和:1913

約数の個数: 48

約数和(自身を含む): 45045504

約数和(自身を除く): 24738272

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 248, 341, 352, 496, 682, 992, 1364, 1861, 2728, 3722, 5456, 7444, 10912, 14888, 20471, 29776, 40942, 57691, 59552, 81884, 115382, 163768, 230764, 327536, 461528, 634601, 655072, 923056, 1269202, 1846112, 2538404, 5076808, 10153616, 20307232]

約数ペア:

[(1, 20307232), (2, 10153616), (4, 5076808), (8, 2538404), (11, 1846112), (16, 1269202), (22, 923056), (31, 655072), (32, 634601), (44, 461528), (62, 327536), (88, 230764), (124, 163768), (176, 115382), (248, 81884), (341, 59552), (352, 57691), (496, 40942), (682, 29776), (992, 20471), (1364, 14888), (1861, 10912), (2728, 7444), (3722, 5456)]