20969172

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27737}}^1$

素因数の和:27757

約数の個数: 48

約数和(自身を含む): 62133120

約数和(自身を除く): 41163948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27737, 55474, 83211, 110948, 166422, 194159, 249633, 332844, 388318, 499266, 582477, 748899, 776636, 998532, 1164954, 1497798, 1747431, 2329908, 2995596, 3494862, 5242293, 6989724, 10484586, 20969172]

約数ペア:

[(1, 20969172), (2, 10484586), (3, 6989724), (4, 5242293), (6, 3494862), (7, 2995596), (9, 2329908), (12, 1747431), (14, 1497798), (18, 1164954), (21, 998532), (27, 776636), (28, 748899), (36, 582477), (42, 499266), (54, 388318), (63, 332844), (84, 249633), (108, 194159), (126, 166422), (189, 110948), (252, 83211), (378, 55474), (756, 27737)]