20308858

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{4673}}^1$

素因数の和:4769

約数の個数: 16

約数和(自身を含む): 31801896

約数和(自身を除く): 11493038

約数列:

[1, 2, 41, 53, 82, 106, 2173, 4346, 4673, 9346, 191593, 247669, 383186, 495338, 10154429, 20308858]

約数ペア:

[(1, 20308858), (2, 10154429), (41, 495338), (53, 383186), (82, 247669), (106, 191593), (2173, 9346), (4346, 4673)]