20542218

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79621}}^1$

素因数の和:79669

約数の個数: 16

約数和(自身を含む): 42040416

約数和(自身を除く): 21498198

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 79621, 159242, 238863, 477726, 3423703, 6847406, 10271109, 20542218]

約数ペア:

[(1, 20542218), (2, 10271109), (3, 6847406), (6, 3423703), (43, 477726), (86, 238863), (129, 159242), (258, 79621)]