20466705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10259}}^1$

素因数の和:10293

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 18931695

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10259, 30777, 51295, 71813, 153885, 194921, 215439, 359065, 584763, 974605, 1077195, 1364447, 2923815, 4093341, 6822235, 20466705]

約数ペア:

[(1, 20466705), (3, 6822235), (5, 4093341), (7, 2923815), (15, 1364447), (19, 1077195), (21, 974605), (35, 584763), (57, 359065), (95, 215439), (105, 194921), (133, 153885), (285, 71813), (399, 51295), (665, 30777), (1995, 10259)]