20764848

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 58496256

約数和(自身を除く): 37731408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 107, 156, 208, 214, 311, 312, 321, 428, 622, 624, 642, 856, 933, 1244, 1284, 1391, 1712, 1866, 2488, 2568, 2782, 3732, 4043, 4173, 4976, 5136, 5564, 7464, 8086, 8346, 11128, 12129, 14928, 16172, 16692, 22256, 24258, 32344, 33277, 33384, 48516, 64688, 66554, 66768, 97032, 99831, 133108, 194064, 199662, 266216, 399324, 432601, 532432, 798648, 865202, 1297803, 1597296, 1730404, 2595606, 3460808, 5191212, 6921616, 10382424, 20764848]

約数ペア:

[(1, 20764848), (2, 10382424), (3, 6921616), (4, 5191212), (6, 3460808), (8, 2595606), (12, 1730404), (13, 1597296), (16, 1297803), (24, 865202), (26, 798648), (39, 532432), (48, 432601), (52, 399324), (78, 266216), (104, 199662), (107, 194064), (156, 133108), (208, 99831), (214, 97032), (311, 66768), (312, 66554), (321, 64688), (428, 48516), (622, 33384), (624, 33277), (642, 32344), (856, 24258), (933, 22256), (1244, 16692), (1284, 16172), (1391, 14928), (1712, 12129), (1866, 11128), (2488, 8346), (2568, 8086), (2782, 7464), (3732, 5564), (4043, 5136), (4173, 4976)]