20808051

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1279}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 12369549

約数列:

[1, 3, 11, 17, 29, 33, 51, 87, 187, 319, 493, 561, 957, 1279, 1479, 3837, 5423, 14069, 16269, 21743, 37091, 42207, 65229, 111273, 239173, 408001, 630547, 717519, 1224003, 1891641, 6936017, 20808051]

約数ペア:

[(1, 20808051), (3, 6936017), (11, 1891641), (17, 1224003), (29, 717519), (33, 630547), (51, 408001), (87, 239173), (187, 111273), (319, 65229), (493, 42207), (561, 37091), (957, 21743), (1279, 16269), (1479, 14069), (3837, 5423)]