20439081

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{58231}}^1$

素因数の和:58253

約数の個数: 16

約数和(自身を含む): 32609920

約数和(自身を除く): 12170839

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 58231, 174693, 524079, 757003, 1572237, 2271009, 6813027, 20439081]

約数ペア:

[(1, 20439081), (3, 6813027), (9, 2271009), (13, 1572237), (27, 757003), (39, 524079), (117, 174693), (351, 58231)]