20123486580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{22349}}^1$

素因数の和:22753

約数の個数: 96

約数和(自身を含む): 57823920000

約数和(自身を除く): 37700433420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 349, 430, 516, 645, 698, 860, 1047, 1290, 1396, 1745, 2094, 2580, 3490, 4188, 5235, 6980, 10470, 15007, 20940, 22349, 30014, 44698, 45021, 60028, 67047, 75035, 89396, 90042, 111745, 134094, 150070, 180084, 223490, 225105, 268188, 300140, 335235, 446980, 450210, 670470, 900420, 961007, 1340940, 1922014, 2883021, 3844028, 4805035, 5766042, 7799801, 9610070, 11532084, 14415105, 15599602, 19220140, 23399403, 28830210, 31199204, 38999005, 46798806, 57660420, 77998010, 93597612, 116997015, 155996020, 233994030, 335391443, 467988060, 670782886, 1006174329, 1341565772, 1676957215, 2012348658, 3353914430, 4024697316, 5030871645, 6707828860, 10061743290, 20123486580]

約数ペア:

[(1, 20123486580), (2, 10061743290), (3, 6707828860), (4, 5030871645), (5, 4024697316), (6, 3353914430), (10, 2012348658), (12, 1676957215), (15, 1341565772), (20, 1006174329), (30, 670782886), (43, 467988060), (60, 335391443), (86, 233994030), (129, 155996020), (172, 116997015), (215, 93597612), (258, 77998010), (349, 57660420), (430, 46798806), (516, 38999005), (645, 31199204), (698, 28830210), (860, 23399403), (1047, 19220140), (1290, 15599602), (1396, 14415105), (1745, 11532084), (2094, 9610070), (2580, 7799801), (3490, 5766042), (4188, 4805035), (5235, 3844028), (6980, 2883021), (10470, 1922014), (15007, 1340940), (20940, 961007), (22349, 900420), (30014, 670470), (44698, 450210), (45021, 446980), (60028, 335235), (67047, 300140), (75035, 268188), (89396, 225105), (90042, 223490), (111745, 180084), (134094, 150070)]