20941503

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{4259}}^1$

素因数の和:4422

約数の個数: 16

約数和(自身を含む): 30672000

約数和(自身を除く): 9730497

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4259, 4917, 12777, 46849, 140547, 634591, 1903773, 6980501, 20941503]

約数ペア:

[(1, 20941503), (3, 6980501), (11, 1903773), (33, 634591), (149, 140547), (447, 46849), (1639, 12777), (4259, 4917)]