20407554

素因数分解:

$2^1\times 3^2\times {\mathrm{421}}^1\times {\mathrm{2693}}^1$

素因数の和:3122

約数の個数: 24

約数和(自身を含む): 44337852

約数和(自身を除く): 23930298

約数列:

[1, 2, 3, 6, 9, 18, 421, 842, 1263, 2526, 2693, 3789, 5386, 7578, 8079, 16158, 24237, 48474, 1133753, 2267506, 3401259, 6802518, 10203777, 20407554]

約数ペア:

[(1, 20407554), (2, 10203777), (3, 6802518), (6, 3401259), (9, 2267506), (18, 1133753), (421, 48474), (842, 24237), (1263, 16158), (2526, 8079), (2693, 7578), (3789, 5386)]