20858447

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:910

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 2469553

約数列:

[1, 19, 23, 59, 437, 809, 1121, 1357, 15371, 18607, 25783, 47731, 353533, 906889, 1097813, 20858447]

約数ペア:

[(1, 20858447), (19, 1097813), (23, 906889), (59, 353533), (437, 47731), (809, 25783), (1121, 18607), (1357, 15371)]