20688222

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{111227}}^1$

素因数の和:111263

約数の個数: 16

約数和(自身を含む): 42711552

約数和(自身を除く): 22023330

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 111227, 222454, 333681, 667362, 3448037, 6896074, 10344111, 20688222]

約数ペア:

[(1, 20688222), (2, 10344111), (3, 6896074), (6, 3448037), (31, 667362), (62, 333681), (93, 222454), (186, 111227)]