20067615

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{281}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 37427040

約数和(自身を除く): 17359425

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 281, 345, 529, 621, 843, 1035, 1405, 1587, 2529, 2645, 3105, 4215, 4761, 6463, 7587, 7935, 12645, 14283, 19389, 23805, 32315, 37935, 58167, 71415, 96945, 148649, 174501, 290835, 445947, 743245, 872505, 1337841, 2229735, 4013523, 6689205, 20067615]

約数ペア:

[(1, 20067615), (3, 6689205), (5, 4013523), (9, 2229735), (15, 1337841), (23, 872505), (27, 743245), (45, 445947), (69, 290835), (115, 174501), (135, 148649), (207, 96945), (281, 71415), (345, 58167), (529, 37935), (621, 32315), (843, 23805), (1035, 19389), (1405, 14283), (1587, 12645), (2529, 7935), (2645, 7587), (3105, 6463), (4215, 4761)]