20909526

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 46654272

約数和(自身を除く): 25744746

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 83, 121, 166, 242, 249, 347, 363, 498, 694, 726, 913, 1041, 1826, 2082, 2739, 3817, 5478, 7634, 10043, 11451, 20086, 22902, 28801, 30129, 41987, 57602, 60258, 83974, 86403, 125961, 172806, 251922, 316811, 633622, 950433, 1900866, 3484921, 6969842, 10454763, 20909526]

約数ペア:

[(1, 20909526), (2, 10454763), (3, 6969842), (6, 3484921), (11, 1900866), (22, 950433), (33, 633622), (66, 316811), (83, 251922), (121, 172806), (166, 125961), (242, 86403), (249, 83974), (347, 60258), (363, 57602), (498, 41987), (694, 30129), (726, 28801), (913, 22902), (1041, 20086), (1826, 11451), (2082, 10043), (2739, 7634), (3817, 5478)]