20187006

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 49835520

約数和(自身を除く): 29648514

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 41, 42, 57, 82, 114, 123, 133, 246, 266, 287, 399, 574, 617, 779, 798, 861, 1234, 1558, 1722, 1851, 2337, 3702, 4319, 4674, 5453, 8638, 10906, 11723, 12957, 16359, 23446, 25297, 25914, 32718, 35169, 50594, 70338, 75891, 82061, 151782, 164122, 177079, 246183, 354158, 480643, 492366, 531237, 961286, 1062474, 1441929, 2883858, 3364501, 6729002, 10093503, 20187006]

約数ペア:

[(1, 20187006), (2, 10093503), (3, 6729002), (6, 3364501), (7, 2883858), (14, 1441929), (19, 1062474), (21, 961286), (38, 531237), (41, 492366), (42, 480643), (57, 354158), (82, 246183), (114, 177079), (123, 164122), (133, 151782), (246, 82061), (266, 75891), (287, 70338), (399, 50594), (574, 35169), (617, 32718), (779, 25914), (798, 25297), (861, 23446), (1234, 16359), (1558, 12957), (1722, 11723), (1851, 10906), (2337, 8638), (3702, 5453), (4319, 4674)]