20853475594

素因数分解:

$2^1\times 7^1\times {\mathrm{2251}}^1\times {\mathrm{661721}}^1$

素因数の和:663981

約数の個数: 16

約数和(自身を含む): 35764750656

約数和(自身を除く): 14911275062

約数列:

[1, 2, 7, 14, 2251, 4502, 15757, 31514, 661721, 1323442, 4632047, 9264094, 1489533971, 2979067942, 10426737797, 20853475594]

約数ペア:

[(1, 20853475594), (2, 10426737797), (7, 2979067942), (14, 1489533971), (2251, 9264094), (4502, 4632047), (15757, 1323442), (31514, 661721)]