20123961042

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{77999849}}^1$

素因数の和:77999897

約数の個数: 16

約数和(自身を含む): 41183920800

約数和(自身を除く): 21059959758

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 77999849, 155999698, 233999547, 467999094, 3353993507, 6707987014, 10061980521, 20123961042]

約数ペア:

[(1, 20123961042), (2, 10061980521), (3, 6707987014), (6, 3353993507), (43, 467999094), (86, 233999547), (129, 155999698), (258, 77999849)]