20420426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{4703}}^1$

素因数の和:4885

約数の個数: 16

約数和(自身を含む): 33191424

約数和(自身を除く): 12770998

約数列:

[1, 2, 13, 26, 167, 334, 2171, 4342, 4703, 9406, 61139, 122278, 785401, 1570802, 10210213, 20420426]

約数ペア:

[(1, 20420426), (2, 10210213), (13, 1570802), (26, 785401), (167, 122278), (334, 61139), (2171, 9406), (4342, 4703)]