20405032

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2543}}^1$

素因数の和:2625

約数の個数: 32

約数和(自身を含む): 41212800

約数和(自身を除く): 20807768

約数列:

[1, 2, 4, 8, 17, 34, 59, 68, 118, 136, 236, 472, 1003, 2006, 2543, 4012, 5086, 8024, 10172, 20344, 43231, 86462, 150037, 172924, 300074, 345848, 600148, 1200296, 2550629, 5101258, 10202516, 20405032]

約数ペア:

[(1, 20405032), (2, 10202516), (4, 5101258), (8, 2550629), (17, 1200296), (34, 600148), (59, 345848), (68, 300074), (118, 172924), (136, 150037), (236, 86462), (472, 43231), (1003, 20344), (2006, 10172), (2543, 8024), (4012, 5086)]