20643516

素因数分解:

$2^2\times 3^2\times {\mathrm{593}}^1\times {\mathrm{967}}^1$

素因数の和:1570

約数の個数: 36

約数和(自身を含む): 52324272

約数和(自身を除く): 31680756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 593, 967, 1186, 1779, 1934, 2372, 2901, 3558, 3868, 5337, 5802, 7116, 8703, 10674, 11604, 17406, 21348, 34812, 573431, 1146862, 1720293, 2293724, 3440586, 5160879, 6881172, 10321758, 20643516]

約数ペア:

[(1, 20643516), (2, 10321758), (3, 6881172), (4, 5160879), (6, 3440586), (9, 2293724), (12, 1720293), (18, 1146862), (36, 573431), (593, 34812), (967, 21348), (1186, 17406), (1779, 11604), (1934, 10674), (2372, 8703), (2901, 7116), (3558, 5802), (3868, 5337)]