20989545122

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{137131}}^1$

素因数の和:137211

約数の個数: 48

約数和(自身を含む): 40132502592

約数和(自身を除く): 19142957470

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 754, 841, 1682, 2639, 5278, 5887, 10933, 11774, 21866, 76531, 137131, 153062, 274262, 959917, 1782703, 1919834, 3565406, 3976799, 7953598, 12478921, 24957842, 27837593, 51698387, 55675186, 103396774, 115327171, 230654342, 361888709, 723777418, 807290197, 1499253223, 1614580394, 2998506446, 10494772561, 20989545122]

約数ペア:

[(1, 20989545122), (2, 10494772561), (7, 2998506446), (13, 1614580394), (14, 1499253223), (26, 807290197), (29, 723777418), (58, 361888709), (91, 230654342), (182, 115327171), (203, 103396774), (377, 55675186), (406, 51698387), (754, 27837593), (841, 24957842), (1682, 12478921), (2639, 7953598), (5278, 3976799), (5887, 3565406), (10933, 1919834), (11774, 1782703), (21866, 959917), (76531, 274262), (137131, 153062)]