20811430

素因数分解:

$2^1\times 5^1\times {\mathrm{743}}^1\times {\mathrm{2801}}^1$

素因数の和:3551

約数の個数: 16

約数和(自身を含む): 37524384

約数和(自身を除く): 16712954

約数列:

[1, 2, 5, 10, 743, 1486, 2801, 3715, 5602, 7430, 14005, 28010, 2081143, 4162286, 10405715, 20811430]

約数ペア:

[(1, 20811430), (2, 10405715), (5, 4162286), (10, 2081143), (743, 28010), (1486, 14005), (2801, 7430), (3715, 5602)]