20656188

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:416

約数の個数: 96

約数和(自身を含む): 62092800

約数和(自身を除く): 41436612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 89, 108, 126, 178, 189, 252, 267, 307, 356, 378, 534, 614, 623, 756, 801, 921, 1068, 1228, 1246, 1602, 1842, 1869, 2149, 2403, 2492, 2763, 3204, 3684, 3738, 4298, 4806, 5526, 5607, 6447, 7476, 8289, 8596, 9612, 11052, 11214, 12894, 16578, 16821, 19341, 22428, 25788, 27323, 33156, 33642, 38682, 54646, 58023, 67284, 77364, 81969, 109292, 116046, 163938, 191261, 232092, 245907, 327876, 382522, 491814, 573783, 737721, 765044, 983628, 1147566, 1475442, 1721349, 2295132, 2950884, 3442698, 5164047, 6885396, 10328094, 20656188]

約数ペア:

[(1, 20656188), (2, 10328094), (3, 6885396), (4, 5164047), (6, 3442698), (7, 2950884), (9, 2295132), (12, 1721349), (14, 1475442), (18, 1147566), (21, 983628), (27, 765044), (28, 737721), (36, 573783), (42, 491814), (54, 382522), (63, 327876), (84, 245907), (89, 232092), (108, 191261), (126, 163938), (178, 116046), (189, 109292), (252, 81969), (267, 77364), (307, 67284), (356, 58023), (378, 54646), (534, 38682), (614, 33642), (623, 33156), (756, 27323), (801, 25788), (921, 22428), (1068, 19341), (1228, 16821), (1246, 16578), (1602, 12894), (1842, 11214), (1869, 11052), (2149, 9612), (2403, 8596), (2492, 8289), (2763, 7476), (3204, 6447), (3684, 5607), (3738, 5526), (4298, 4806)]