20843966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2351}}^1$

素因数の和:2408

約数の個数: 32

約数和(自身を含む): 37933056

約数和(自身を除く): 17089090

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 286, 341, 403, 682, 806, 2351, 4433, 4702, 8866, 25861, 30563, 51722, 61126, 72881, 145762, 336193, 672386, 801691, 947453, 1603382, 1894906, 10421983, 20843966]

約数ペア:

[(1, 20843966), (2, 10421983), (11, 1894906), (13, 1603382), (22, 947453), (26, 801691), (31, 672386), (62, 336193), (143, 145762), (286, 72881), (341, 61126), (403, 51722), (682, 30563), (806, 25861), (2351, 8866), (4433, 4702)]