20518341

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{1303}}^1$

素因数の和:1516

約数の個数: 16

約数和(自身を含む): 28479360

約数和(自身を除く): 7961019

約数列:

[1, 3, 29, 87, 181, 543, 1303, 3909, 5249, 15747, 37787, 113361, 235843, 707529, 6839447, 20518341]

約数ペア:

[(1, 20518341), (3, 6839447), (29, 707529), (87, 235843), (181, 113361), (543, 37787), (1303, 15747), (3909, 5249)]