20973408

素因数分解:

$2^5\times 3^1\times {\mathrm{197}}^1\times {\mathrm{1109}}^1$

素因数の和:1319

約数の個数: 48

約数和(自身を含む): 55384560

約数和(自身を除く): 34411152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 197, 394, 591, 788, 1109, 1182, 1576, 2218, 2364, 3152, 3327, 4436, 4728, 6304, 6654, 8872, 9456, 13308, 17744, 18912, 26616, 35488, 53232, 106464, 218473, 436946, 655419, 873892, 1310838, 1747784, 2621676, 3495568, 5243352, 6991136, 10486704, 20973408]

約数ペア:

[(1, 20973408), (2, 10486704), (3, 6991136), (4, 5243352), (6, 3495568), (8, 2621676), (12, 1747784), (16, 1310838), (24, 873892), (32, 655419), (48, 436946), (96, 218473), (197, 106464), (394, 53232), (591, 35488), (788, 26616), (1109, 18912), (1182, 17744), (1576, 13308), (2218, 9456), (2364, 8872), (3152, 6654), (3327, 6304), (4436, 4728)]