20462645

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^4$

素因数の和:87

約数の個数: 30

約数和(自身を含む): 30349422

約数和(自身を除く): 9886777

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 289, 595, 833, 1445, 2023, 4165, 4913, 10115, 14161, 24565, 34391, 70805, 83521, 171955, 240737, 417605, 584647, 1203685, 2923235, 4092529, 20462645]

約数ペア:

[(1, 20462645), (5, 4092529), (7, 2923235), (17, 1203685), (35, 584647), (49, 417605), (85, 240737), (119, 171955), (245, 83521), (289, 70805), (595, 34391), (833, 24565), (1445, 14161), (2023, 10115), (4165, 4913)]