20581356

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{433}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 51184224

約数和(自身を除く): 30602868

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 233, 433, 466, 699, 866, 932, 1299, 1398, 1732, 2598, 2796, 3961, 5196, 7361, 7922, 11883, 14722, 15844, 22083, 23766, 29444, 44166, 47532, 88332, 100889, 201778, 302667, 403556, 605334, 1210668, 1715113, 3430226, 5145339, 6860452, 10290678, 20581356]

約数ペア:

[(1, 20581356), (2, 10290678), (3, 6860452), (4, 5145339), (6, 3430226), (12, 1715113), (17, 1210668), (34, 605334), (51, 403556), (68, 302667), (102, 201778), (204, 100889), (233, 88332), (433, 47532), (466, 44166), (699, 29444), (866, 23766), (932, 22083), (1299, 15844), (1398, 14722), (1732, 11883), (2598, 7922), (2796, 7361), (3961, 5196)]