20748042

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 32474358

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 131, 189, 262, 378, 393, 419, 786, 838, 917, 1179, 1257, 1834, 2358, 2514, 2751, 2933, 3537, 3771, 5502, 5866, 7074, 7542, 8253, 8799, 11313, 16506, 17598, 22626, 24759, 26397, 49518, 52794, 54889, 79191, 109778, 158382, 164667, 329334, 384223, 494001, 768446, 988002, 1152669, 1482003, 2305338, 2964006, 3458007, 6916014, 10374021, 20748042]

約数ペア:

[(1, 20748042), (2, 10374021), (3, 6916014), (6, 3458007), (7, 2964006), (9, 2305338), (14, 1482003), (18, 1152669), (21, 988002), (27, 768446), (42, 494001), (54, 384223), (63, 329334), (126, 164667), (131, 158382), (189, 109778), (262, 79191), (378, 54889), (393, 52794), (419, 49518), (786, 26397), (838, 24759), (917, 22626), (1179, 17598), (1257, 16506), (1834, 11313), (2358, 8799), (2514, 8253), (2751, 7542), (2933, 7074), (3537, 5866), (3771, 5502)]