20494650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12421}}^1$

素因数の和:12447

約数の個数: 48

約数和(自身を含む): 55451808

約数和(自身を除く): 34957158

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 12421, 24842, 37263, 62105, 74526, 124210, 136631, 186315, 273262, 310525, 372630, 409893, 621050, 683155, 819786, 931575, 1366310, 1863150, 2049465, 3415775, 4098930, 6831550, 10247325, 20494650]

約数ペア:

[(1, 20494650), (2, 10247325), (3, 6831550), (5, 4098930), (6, 3415775), (10, 2049465), (11, 1863150), (15, 1366310), (22, 931575), (25, 819786), (30, 683155), (33, 621050), (50, 409893), (55, 372630), (66, 310525), (75, 273262), (110, 186315), (150, 136631), (165, 124210), (275, 74526), (330, 62105), (550, 37263), (825, 24842), (1650, 12421)]