20808502

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2347}}^1$

素因数の和:2404

約数の個数: 32

約数和(自身を含む): 37868544

約数和(自身を除く): 17060042

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 286, 341, 403, 682, 806, 2347, 4433, 4694, 8866, 25817, 30511, 51634, 61022, 72757, 145514, 335621, 671242, 800327, 945841, 1600654, 1891682, 10404251, 20808502]

約数ペア:

[(1, 20808502), (2, 10404251), (11, 1891682), (13, 1600654), (22, 945841), (26, 800327), (31, 671242), (62, 335621), (143, 145514), (286, 72757), (341, 61022), (403, 51634), (682, 30511), (806, 25817), (2347, 8866), (4433, 4694)]