20643100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12143}}^1$

素因数の和:12174

約数の個数: 36

約数和(自身を含む): 47434464

約数和(自身を除く): 26791364

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12143, 24286, 48572, 60715, 121430, 206431, 242860, 303575, 412862, 607150, 825724, 1032155, 1214300, 2064310, 4128620, 5160775, 10321550, 20643100]

約数ペア:

[(1, 20643100), (2, 10321550), (4, 5160775), (5, 4128620), (10, 2064310), (17, 1214300), (20, 1032155), (25, 825724), (34, 607150), (50, 412862), (68, 303575), (85, 242860), (100, 206431), (170, 121430), (340, 60715), (425, 48572), (850, 24286), (1700, 12143)]