20163681680

素因数分解:

$2^4\times 5^1\times {\mathrm{2207}}^1\times {\mathrm{114203}}^1$

素因数の和:116423

約数の個数: 40

約数和(自身を含む): 46902212352

約数和(自身を除く): 26738530672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2207, 4414, 8828, 11035, 17656, 22070, 35312, 44140, 88280, 114203, 176560, 228406, 456812, 571015, 913624, 1142030, 1827248, 2284060, 4568120, 9136240, 252046021, 504092042, 1008184084, 1260230105, 2016368168, 2520460210, 4032736336, 5040920420, 10081840840, 20163681680]

約数ペア:

[(1, 20163681680), (2, 10081840840), (4, 5040920420), (5, 4032736336), (8, 2520460210), (10, 2016368168), (16, 1260230105), (20, 1008184084), (40, 504092042), (80, 252046021), (2207, 9136240), (4414, 4568120), (8828, 2284060), (11035, 1827248), (17656, 1142030), (22070, 913624), (35312, 571015), (44140, 456812), (88280, 228406), (114203, 176560)]