20808540874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1567}}^1\times {\mathrm{19471}}^1$

素因数の和:21082

約数の個数: 32

約数和(自身を含む): 35172974592

約数和(自身を除く): 14364433718

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 1567, 3134, 17237, 19471, 34474, 38942, 48577, 97154, 214181, 428362, 534347, 603601, 1068694, 1207202, 6639611, 13279222, 30511057, 61022114, 335621627, 671243254, 945842767, 1891685534, 10404270437, 20808540874]

約数ペア:

[(1, 20808540874), (2, 10404270437), (11, 1891685534), (22, 945842767), (31, 671243254), (62, 335621627), (341, 61022114), (682, 30511057), (1567, 13279222), (3134, 6639611), (17237, 1207202), (19471, 1068694), (34474, 603601), (38942, 534347), (48577, 428362), (97154, 214181)]