20810951930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67132103}}^1$

素因数の和:67132141

約数の個数: 16

約数和(自身を含む): 38668091904

約数和(自身を除く): 17857139974

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 67132103, 134264206, 335660515, 671321030, 2081095193, 4162190386, 10405475965, 20810951930]

約数ペア:

[(1, 20810951930), (2, 10405475965), (5, 4162190386), (10, 2081095193), (31, 671321030), (62, 335660515), (155, 134264206), (310, 67132103)]