20386839

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{3571}}^1$

素因数の和:3758

約数の個数: 16

約数和(自身を含む): 29833344

約数和(自身を除く): 9446505

約数列:

[1, 3, 11, 33, 173, 519, 1903, 3571, 5709, 10713, 39281, 117843, 617783, 1853349, 6795613, 20386839]

約数ペア:

[(1, 20386839), (3, 6795613), (11, 1853349), (33, 617783), (173, 117843), (519, 39281), (1903, 10713), (3571, 5709)]