20215873

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 22550400

約数和(自身を除く): 2334527

約数列:

[1, 17, 23, 149, 347, 391, 2533, 3427, 5899, 7981, 51703, 58259, 135677, 878951, 1189169, 20215873]

約数ペア:

[(1, 20215873), (17, 1189169), (23, 878951), (149, 135677), (347, 58259), (391, 51703), (2533, 7981), (3427, 5899)]