20315724

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11839}}^1$

素因数の和:11870

約数の個数: 48

約数和(自身を含む): 55695360

約数和(自身を除く): 35379636

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 11839, 23678, 35517, 47356, 71034, 130229, 142068, 153907, 260458, 307814, 390687, 461721, 520916, 615628, 781374, 923442, 1562748, 1692977, 1846884, 3385954, 5078931, 6771908, 10157862, 20315724]

約数ペア:

[(1, 20315724), (2, 10157862), (3, 6771908), (4, 5078931), (6, 3385954), (11, 1846884), (12, 1692977), (13, 1562748), (22, 923442), (26, 781374), (33, 615628), (39, 520916), (44, 461721), (52, 390687), (66, 307814), (78, 260458), (132, 153907), (143, 142068), (156, 130229), (286, 71034), (429, 47356), (572, 35517), (858, 23678), (1716, 11839)]