20085590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 42476400

約数和(自身を除く): 22390810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 179, 229, 245, 358, 458, 490, 895, 1145, 1253, 1603, 1790, 2290, 2506, 3206, 6265, 8015, 8771, 11221, 12530, 16030, 17542, 22442, 40991, 43855, 56105, 81982, 87710, 112210, 204955, 286937, 409910, 573874, 1434685, 2008559, 2869370, 4017118, 10042795, 20085590]

約数ペア:

[(1, 20085590), (2, 10042795), (5, 4017118), (7, 2869370), (10, 2008559), (14, 1434685), (35, 573874), (49, 409910), (70, 286937), (98, 204955), (179, 112210), (229, 87710), (245, 81982), (358, 56105), (458, 43855), (490, 40991), (895, 22442), (1145, 17542), (1253, 16030), (1603, 12530), (1790, 11221), (2290, 8771), (2506, 8015), (3206, 6265)]