20902462

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{6247}}^1$

素因数の和:6495

約数の個数: 16

約数和(自身を含む): 35988480

約数和(自身を除く): 15086018

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 6247, 12494, 43729, 87458, 1493033, 2986066, 10451231, 20902462]

約数ペア:

[(1, 20902462), (2, 10451231), (7, 2986066), (14, 1493033), (239, 87458), (478, 43729), (1673, 12494), (3346, 6247)]