20878914

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{497117}}^1$

素因数の和:497129

約数の個数: 16

約数和(自身を含む): 47723328

約数和(自身を除く): 26844414

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 497117, 994234, 1491351, 2982702, 3479819, 6959638, 10439457, 20878914]

約数ペア:

[(1, 20878914), (2, 10439457), (3, 6959638), (6, 3479819), (7, 2982702), (14, 1491351), (21, 994234), (42, 497117)]