20804862

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6203}}^1$

素因数の和:6264

約数の個数: 32

約数和(自身を含む): 45859968

約数和(自身を除く): 25055106

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 6203, 12406, 18609, 37218, 80639, 161278, 241917, 266729, 483834, 533458, 800187, 1600374, 3467477, 6934954, 10402431, 20804862]

約数ペア:

[(1, 20804862), (2, 10402431), (3, 6934954), (6, 3467477), (13, 1600374), (26, 800187), (39, 533458), (43, 483834), (78, 266729), (86, 241917), (129, 161278), (258, 80639), (559, 37218), (1118, 18609), (1677, 12406), (3354, 6203)]