20501808

素因数分解:

$2^4\times 3^1\times {\mathrm{431}}^1\times {\mathrm{991}}^1$

素因数の和:1433

約数の個数: 40

約数和(自身を含む): 53139456

約数和(自身を除く): 32637648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 431, 862, 991, 1293, 1724, 1982, 2586, 2973, 3448, 3964, 5172, 5946, 6896, 7928, 10344, 11892, 15856, 20688, 23784, 47568, 427121, 854242, 1281363, 1708484, 2562726, 3416968, 5125452, 6833936, 10250904, 20501808]

約数ペア:

[(1, 20501808), (2, 10250904), (3, 6833936), (4, 5125452), (6, 3416968), (8, 2562726), (12, 1708484), (16, 1281363), (24, 854242), (48, 427121), (431, 47568), (862, 23784), (991, 20688), (1293, 15856), (1724, 11892), (1982, 10344), (2586, 7928), (2973, 6896), (3448, 5946), (3964, 5172)]