20686149

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{937}}^1$

素因数の和:1177

約数の個数: 24

約数和(自身を含む): 32777472

約数和(自身を除く): 12091323

約数列:

[1, 3, 9, 11, 33, 99, 223, 669, 937, 2007, 2453, 2811, 7359, 8433, 10307, 22077, 30921, 92763, 208951, 626853, 1880559, 2298461, 6895383, 20686149]

約数ペア:

[(1, 20686149), (3, 6895383), (9, 2298461), (11, 1880559), (33, 626853), (99, 208951), (223, 92763), (669, 30921), (937, 22077), (2007, 10307), (2453, 8433), (2811, 7359)]