20902770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33179}}^1$

素因数の和:33199

約数の個数: 48

約数和(自身を含む): 62112960

約数和(自身を除く): 41210190

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33179, 66358, 99537, 165895, 199074, 232253, 298611, 331790, 464506, 497685, 597222, 696759, 995370, 1161265, 1393518, 1493055, 2090277, 2322530, 2986110, 3483795, 4180554, 6967590, 10451385, 20902770]

約数ペア:

[(1, 20902770), (2, 10451385), (3, 6967590), (5, 4180554), (6, 3483795), (7, 2986110), (9, 2322530), (10, 2090277), (14, 1493055), (15, 1393518), (18, 1161265), (21, 995370), (30, 696759), (35, 597222), (42, 497685), (45, 464506), (63, 331790), (70, 298611), (90, 232253), (105, 199074), (126, 165895), (210, 99537), (315, 66358), (630, 33179)]