20183896240

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2314667}}^1$

素因数の和:2314789

約数の個数: 40

約数和(自身を含む): 47358107280

約数和(自身を除く): 27174211040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 2314667, 4629334, 9258668, 11573335, 18517336, 23146670, 37034672, 46293340, 92586680, 185173360, 252298703, 504597406, 1009194812, 1261493515, 2018389624, 2522987030, 4036779248, 5045974060, 10091948120, 20183896240]

約数ペア:

[(1, 20183896240), (2, 10091948120), (4, 5045974060), (5, 4036779248), (8, 2522987030), (10, 2018389624), (16, 1261493515), (20, 1009194812), (40, 504597406), (80, 252298703), (109, 185173360), (218, 92586680), (436, 46293340), (545, 37034672), (872, 23146670), (1090, 18517336), (1744, 11573335), (2180, 9258668), (4360, 4629334), (8720, 2314667)]