20057804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{773}}^1$

素因数の和:1289

約数の個数: 24

約数和(自身を含む): 37926000

約数和(自身を除く): 17868196

約数列:

[1, 2, 4, 13, 26, 52, 499, 773, 998, 1546, 1996, 3092, 6487, 10049, 12974, 20098, 25948, 40196, 385727, 771454, 1542908, 5014451, 10028902, 20057804]

約数ペア:

[(1, 20057804), (2, 10028902), (4, 5014451), (13, 1542908), (26, 771454), (52, 385727), (499, 40196), (773, 25948), (998, 20098), (1546, 12974), (1996, 10049), (3092, 6487)]