20139491930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64966103}}^1$

素因数の和:64966141

約数の個数: 16

約数和(自身を含む): 37420475904

約数和(自身を除く): 17280983974

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 64966103, 129932206, 324830515, 649661030, 2013949193, 4027898386, 10069745965, 20139491930]

約数ペア:

[(1, 20139491930), (2, 10069745965), (5, 4027898386), (10, 2013949193), (31, 649661030), (62, 324830515), (155, 129932206), (310, 64966103)]