20109138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 47996928

約数和(自身を除く): 27887790

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 61, 94, 122, 141, 167, 183, 282, 329, 334, 366, 427, 501, 658, 854, 987, 1002, 1169, 1281, 1974, 2338, 2562, 2867, 3507, 5734, 7014, 7849, 8601, 10187, 15698, 17202, 20069, 20374, 23547, 30561, 40138, 47094, 54943, 60207, 61122, 71309, 109886, 120414, 142618, 164829, 213927, 329658, 427854, 478789, 957578, 1436367, 2872734, 3351523, 6703046, 10054569, 20109138]

約数ペア:

[(1, 20109138), (2, 10054569), (3, 6703046), (6, 3351523), (7, 2872734), (14, 1436367), (21, 957578), (42, 478789), (47, 427854), (61, 329658), (94, 213927), (122, 164829), (141, 142618), (167, 120414), (183, 109886), (282, 71309), (329, 61122), (334, 60207), (366, 54943), (427, 47094), (501, 40138), (658, 30561), (854, 23547), (987, 20374), (1002, 20069), (1169, 17202), (1281, 15698), (1974, 10187), (2338, 8601), (2562, 7849), (2867, 7014), (3507, 5734)]