20808606

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1657}}^1$

素因数の和:1705

約数の個数: 64

約数和(自身を含む): 53480448

約数和(自身を除く): 32671842

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 23, 26, 39, 42, 46, 69, 78, 91, 138, 161, 182, 273, 299, 322, 483, 546, 598, 897, 966, 1657, 1794, 2093, 3314, 4186, 4971, 6279, 9942, 11599, 12558, 21541, 23198, 34797, 38111, 43082, 64623, 69594, 76222, 114333, 129246, 150787, 228666, 266777, 301574, 452361, 495443, 533554, 800331, 904722, 990886, 1486329, 1600662, 2972658, 3468101, 6936202, 10404303, 20808606]

約数ペア:

[(1, 20808606), (2, 10404303), (3, 6936202), (6, 3468101), (7, 2972658), (13, 1600662), (14, 1486329), (21, 990886), (23, 904722), (26, 800331), (39, 533554), (42, 495443), (46, 452361), (69, 301574), (78, 266777), (91, 228666), (138, 150787), (161, 129246), (182, 114333), (273, 76222), (299, 69594), (322, 64623), (483, 43082), (546, 38111), (598, 34797), (897, 23198), (966, 21541), (1657, 12558), (1794, 11599), (2093, 9942), (3314, 6279), (4186, 4971)]