20217235

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{3607}}^1$

素因数の和:3690

約数の個数: 16

約数和(自身を含む): 25977600

約数和(自身を除く): 5760365

約数列:

[1, 5, 19, 59, 95, 295, 1121, 3607, 5605, 18035, 68533, 212813, 342665, 1064065, 4043447, 20217235]

約数ペア:

[(1, 20217235), (5, 4043447), (19, 1064065), (59, 342665), (95, 212813), (295, 68533), (1121, 18035), (3607, 5605)]