20278370644

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{539261}}^1$

素因数の和:539368

約数の個数: 48

約数和(自身を含む): 43486087680

約数和(自身を除く): 23207717036

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 79, 119, 158, 238, 316, 476, 553, 1106, 1343, 2212, 2686, 5372, 9401, 18802, 37604, 539261, 1078522, 2157044, 3774827, 7549654, 9167437, 15099308, 18334874, 36669748, 42601619, 64172059, 85203238, 128344118, 170406476, 256688236, 298211333, 596422666, 724227523, 1192845332, 1448455046, 2896910092, 5069592661, 10139185322, 20278370644]

約数ペア:

[(1, 20278370644), (2, 10139185322), (4, 5069592661), (7, 2896910092), (14, 1448455046), (17, 1192845332), (28, 724227523), (34, 596422666), (68, 298211333), (79, 256688236), (119, 170406476), (158, 128344118), (238, 85203238), (316, 64172059), (476, 42601619), (553, 36669748), (1106, 18334874), (1343, 15099308), (2212, 9167437), (2686, 7549654), (5372, 3774827), (9401, 2157044), (18802, 1078522), (37604, 539261)]