20741736

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 53887680

約数和(自身を除く): 33145944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 107, 123, 164, 197, 214, 246, 321, 328, 394, 428, 492, 591, 642, 788, 856, 984, 1182, 1284, 1576, 2364, 2568, 4387, 4728, 8077, 8774, 13161, 16154, 17548, 21079, 24231, 26322, 32308, 35096, 42158, 48462, 52644, 63237, 64616, 84316, 96924, 105288, 126474, 168632, 193848, 252948, 505896, 864239, 1728478, 2592717, 3456956, 5185434, 6913912, 10370868, 20741736]

約数ペア:

[(1, 20741736), (2, 10370868), (3, 6913912), (4, 5185434), (6, 3456956), (8, 2592717), (12, 1728478), (24, 864239), (41, 505896), (82, 252948), (107, 193848), (123, 168632), (164, 126474), (197, 105288), (214, 96924), (246, 84316), (321, 64616), (328, 63237), (394, 52644), (428, 48462), (492, 42158), (591, 35096), (642, 32308), (788, 26322), (856, 24231), (984, 21079), (1182, 17548), (1284, 16154), (1576, 13161), (2364, 8774), (2568, 8077), (4387, 4728)]