20138084895

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1\times {\mathrm{1553}}^1$

素因数の和:2016

約数の個数: 64

約数和(自身を含む): 34264581120

約数和(自身を除く): 14126496225

約数列:

[1, 3, 5, 15, 19, 57, 95, 173, 263, 285, 519, 789, 865, 1315, 1553, 2595, 3287, 3945, 4659, 4997, 7765, 9861, 14991, 16435, 23295, 24985, 29507, 45499, 49305, 74955, 88521, 136497, 147535, 227495, 268669, 408439, 442605, 682485, 806007, 864481, 1225317, 1343345, 2042195, 2593443, 4030035, 4322405, 5104711, 6126585, 7760341, 12967215, 15314133, 23281023, 25523555, 38801705, 70659947, 76570665, 116405115, 211979841, 353299735, 1059899205, 1342538993, 4027616979, 6712694965, 20138084895]

約数ペア:

[(1, 20138084895), (3, 6712694965), (5, 4027616979), (15, 1342538993), (19, 1059899205), (57, 353299735), (95, 211979841), (173, 116405115), (263, 76570665), (285, 70659947), (519, 38801705), (789, 25523555), (865, 23281023), (1315, 15314133), (1553, 12967215), (2595, 7760341), (3287, 6126585), (3945, 5104711), (4659, 4322405), (4997, 4030035), (7765, 2593443), (9861, 2042195), (14991, 1343345), (16435, 1225317), (23295, 864481), (24985, 806007), (29507, 682485), (45499, 442605), (49305, 408439), (74955, 268669), (88521, 227495), (136497, 147535)]