20533947

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{16573}}^1$

素因数の和:16642

約数の個数: 16

約数和(自身を含む): 31822080

約数和(自身を除く): 11288133

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 16573, 49719, 116011, 348033, 977807, 2933421, 6844649, 20533947]

約数ペア:

[(1, 20533947), (3, 6844649), (7, 2933421), (21, 977807), (59, 348033), (177, 116011), (413, 49719), (1239, 16573)]