20739648

素因数分解:

$2^6\times 3^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1115

約数の個数: 56

約数和(自身を含む): 55432960

約数和(自身を除く): 34693312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 109, 192, 218, 327, 436, 654, 872, 991, 1308, 1744, 1982, 2616, 2973, 3488, 3964, 5232, 5946, 6976, 7928, 10464, 11892, 15856, 20928, 23784, 31712, 47568, 63424, 95136, 108019, 190272, 216038, 324057, 432076, 648114, 864152, 1296228, 1728304, 2592456, 3456608, 5184912, 6913216, 10369824, 20739648]

約数ペア:

[(1, 20739648), (2, 10369824), (3, 6913216), (4, 5184912), (6, 3456608), (8, 2592456), (12, 1728304), (16, 1296228), (24, 864152), (32, 648114), (48, 432076), (64, 324057), (96, 216038), (109, 190272), (192, 108019), (218, 95136), (327, 63424), (436, 47568), (654, 31712), (872, 23784), (991, 20928), (1308, 15856), (1744, 11892), (1982, 10464), (2616, 7928), (2973, 6976), (3488, 5946), (3964, 5232)]