20993856110

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28758707}}^1$

素因数の和:28758787

約数の個数: 16

約数和(自身を含む): 38306599056

約数和(自身を除く): 17312742946

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 28758707, 57517414, 143793535, 287587070, 2099385611, 4198771222, 10496928055, 20993856110]

約数ペア:

[(1, 20993856110), (2, 10496928055), (5, 4198771222), (10, 2099385611), (73, 287587070), (146, 143793535), (365, 57517414), (730, 28758707)]