20335408

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{4523}}^1$

素因数の和:4812

約数の個数: 20

約数和(自身を含む): 39548808

約数和(自身を除く): 19213400

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4496, 4523, 9046, 18092, 36184, 72368, 1270963, 2541926, 5083852, 10167704, 20335408]

約数ペア:

[(1, 20335408), (2, 10167704), (4, 5083852), (8, 2541926), (16, 1270963), (281, 72368), (562, 36184), (1124, 18092), (2248, 9046), (4496, 4523)]