20079930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51487}}^1$

素因数の和:51510

約数の個数: 32

約数和(自身を含む): 51899904

約数和(自身を除く): 31819974

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51487, 102974, 154461, 257435, 308922, 514870, 669331, 772305, 1338662, 1544610, 2007993, 3346655, 4015986, 6693310, 10039965, 20079930]

約数ペア:

[(1, 20079930), (2, 10039965), (3, 6693310), (5, 4015986), (6, 3346655), (10, 2007993), (13, 1544610), (15, 1338662), (26, 772305), (30, 669331), (39, 514870), (65, 308922), (78, 257435), (130, 154461), (195, 102974), (390, 51487)]