20322445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 29361024

約数和(自身を除く): 9038579

約数列:

[1, 5, 11, 13, 43, 55, 65, 143, 215, 473, 559, 661, 715, 2365, 2795, 3305, 6149, 7271, 8593, 28423, 30745, 36355, 42965, 94523, 142115, 312653, 369499, 472615, 1563265, 1847495, 4064489, 20322445]

約数ペア:

[(1, 20322445), (5, 4064489), (11, 1847495), (13, 1563265), (43, 472615), (55, 369499), (65, 312653), (143, 142115), (215, 94523), (473, 42965), (559, 36355), (661, 30745), (715, 28423), (2365, 8593), (2795, 7271), (3305, 6149)]