20690415

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7793}}^1$

素因数の和:7863

約数の個数: 24

約数和(自身を含む): 36475920

約数和(自身を除く): 15785505

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 295, 531, 885, 2655, 7793, 23379, 38965, 70137, 116895, 350685, 459787, 1379361, 2298935, 4138083, 6896805, 20690415]

約数ペア:

[(1, 20690415), (3, 6896805), (5, 4138083), (9, 2298935), (15, 1379361), (45, 459787), (59, 350685), (177, 116895), (295, 70137), (531, 38965), (885, 23379), (2655, 7793)]