20061980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43613}}^1$

素因数の和:43645

約数の個数: 24

約数和(自身を含む): 43962912

約数和(自身を除く): 23900932

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43613, 87226, 174452, 218065, 436130, 872260, 1003099, 2006198, 4012396, 5015495, 10030990, 20061980]

約数ペア:

[(1, 20061980), (2, 10030990), (4, 5015495), (5, 4012396), (10, 2006198), (20, 1003099), (23, 872260), (46, 436130), (92, 218065), (115, 174452), (230, 87226), (460, 43613)]