20914674

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 26985486

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 59, 66, 82, 118, 123, 131, 177, 246, 262, 354, 393, 451, 649, 786, 902, 1298, 1353, 1441, 1947, 2419, 2706, 2882, 3894, 4323, 4838, 5371, 7257, 7729, 8646, 10742, 14514, 15458, 16113, 23187, 26609, 32226, 46374, 53218, 59081, 79827, 85019, 118162, 159654, 170038, 177243, 255057, 316889, 354486, 510114, 633778, 950667, 1901334, 3485779, 6971558, 10457337, 20914674]

約数ペア:

[(1, 20914674), (2, 10457337), (3, 6971558), (6, 3485779), (11, 1901334), (22, 950667), (33, 633778), (41, 510114), (59, 354486), (66, 316889), (82, 255057), (118, 177243), (123, 170038), (131, 159654), (177, 118162), (246, 85019), (262, 79827), (354, 59081), (393, 53218), (451, 46374), (649, 32226), (786, 26609), (902, 23187), (1298, 16113), (1353, 15458), (1441, 14514), (1947, 10742), (2419, 8646), (2706, 7729), (2882, 7257), (3894, 5371), (4323, 4838)]