20464653

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 31703040

約数和(自身を除く): 11238387

約数列:

[1, 3, 11, 19, 33, 57, 127, 209, 257, 381, 627, 771, 1397, 2413, 2827, 4191, 4883, 7239, 8481, 14649, 26543, 32639, 53713, 79629, 97917, 161139, 359029, 620141, 1077087, 1860423, 6821551, 20464653]

約数ペア:

[(1, 20464653), (3, 6821551), (11, 1860423), (19, 1077087), (33, 620141), (57, 359029), (127, 161139), (209, 97917), (257, 79629), (381, 53713), (627, 32639), (771, 26543), (1397, 14649), (2413, 8481), (2827, 7239), (4191, 4883)]