20298018

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260231}}^1$

素因数の和:260249

約数の個数: 16

約数和(自身を含む): 43718976

約数和(自身を除く): 23420958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 260231, 520462, 780693, 1561386, 3383003, 6766006, 10149009, 20298018]

約数ペア:

[(1, 20298018), (2, 10149009), (3, 6766006), (6, 3383003), (13, 1561386), (26, 780693), (39, 520462), (78, 260231)]