20138748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5101}}^1$

素因数の和:5162

約数の個数: 48

約数和(自身を含む): 54856704

約数和(自身を除く): 34717956

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 5101, 10202, 15303, 20404, 30606, 35707, 61212, 71414, 107121, 142828, 214242, 239747, 428484, 479494, 719241, 958988, 1438482, 1678229, 2876964, 3356458, 5034687, 6712916, 10069374, 20138748]

約数ペア:

[(1, 20138748), (2, 10069374), (3, 6712916), (4, 5034687), (6, 3356458), (7, 2876964), (12, 1678229), (14, 1438482), (21, 958988), (28, 719241), (42, 479494), (47, 428484), (84, 239747), (94, 214242), (141, 142828), (188, 107121), (282, 71414), (329, 61212), (564, 35707), (658, 30606), (987, 20404), (1316, 15303), (1974, 10202), (3948, 5101)]