20512707826611

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{975819791}}^1$

素因数の和:975819832

約数の個数: 48

約数和(自身を含む): 37377801312768

約数和(自身を除く): 16865093486157

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 231, 273, 429, 539, 637, 1001, 1617, 1911, 3003, 7007, 21021, 975819791, 2927459373, 6830738537, 10734017701, 12685657283, 20492215611, 32202053103, 38056971849, 47815169759, 75138123907, 88799600981, 139542230113, 143445509277, 225414371721, 266398802943, 418626690339, 525966867349, 621597206867, 976795610791, 1577900602047, 1864791620601, 2930386832373, 6837569275537, 20512707826611]

約数ペア:

[(1, 20512707826611), (3, 6837569275537), (7, 2930386832373), (11, 1864791620601), (13, 1577900602047), (21, 976795610791), (33, 621597206867), (39, 525966867349), (49, 418626690339), (77, 266398802943), (91, 225414371721), (143, 143445509277), (147, 139542230113), (231, 88799600981), (273, 75138123907), (429, 47815169759), (539, 38056971849), (637, 32202053103), (1001, 20492215611), (1617, 12685657283), (1911, 10734017701), (3003, 6830738537), (7007, 2927459373), (21021, 975819791)]