20818544

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{5399}}^1$

素因数の和:5648

約数の個数: 20

約数和(自身を含む): 40510800

約数和(自身を除く): 19692256

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 5399, 10798, 21596, 43192, 86384, 1301159, 2602318, 5204636, 10409272, 20818544]

約数ペア:

[(1, 20818544), (2, 10409272), (4, 5204636), (8, 2602318), (16, 1301159), (241, 86384), (482, 43192), (964, 21596), (1928, 10798), (3856, 5399)]