20081288001

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{7393}}^1$

素因数の和:7705

約数の個数: 32

約数和(自身を含む): 27664207360

約数和(自身を除く): 7582919359

約数列:

[1, 3, 73, 79, 157, 219, 237, 471, 5767, 7393, 11461, 12403, 17301, 22179, 34383, 37209, 539689, 584047, 905419, 1160701, 1619067, 1752141, 2716257, 3482103, 42635431, 84731173, 91695379, 127906293, 254193519, 275086137, 6693762667, 20081288001]

約数ペア:

[(1, 20081288001), (3, 6693762667), (73, 275086137), (79, 254193519), (157, 127906293), (219, 91695379), (237, 84731173), (471, 42635431), (5767, 3482103), (7393, 2716257), (11461, 1752141), (12403, 1619067), (17301, 1160701), (22179, 905419), (34383, 584047), (37209, 539689)]