20376004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 20266556

約数列:

[1, 2, 4, 11, 22, 44, 47, 59, 94, 118, 167, 188, 236, 334, 517, 649, 668, 1034, 1298, 1837, 2068, 2596, 2773, 3674, 5546, 7348, 7849, 9853, 11092, 15698, 19706, 30503, 31396, 39412, 61006, 86339, 108383, 122012, 172678, 216766, 345356, 433532, 463091, 926182, 1852364, 5094001, 10188002, 20376004]

約数ペア:

[(1, 20376004), (2, 10188002), (4, 5094001), (11, 1852364), (22, 926182), (44, 463091), (47, 433532), (59, 345356), (94, 216766), (118, 172678), (167, 122012), (188, 108383), (236, 86339), (334, 61006), (517, 39412), (649, 31396), (668, 30503), (1034, 19706), (1298, 15698), (1837, 11092), (2068, 9853), (2596, 7849), (2773, 7348), (3674, 5546)]