20366778

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{78941}}^1$

素因数の和:78989

約数の個数: 16

約数和(自身を含む): 41681376

約数和(自身を除く): 21314598

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 78941, 157882, 236823, 473646, 3394463, 6788926, 10183389, 20366778]

約数ペア:

[(1, 20366778), (2, 10183389), (3, 6788926), (6, 3394463), (43, 473646), (86, 236823), (129, 157882), (258, 78941)]