20784610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26993}}^1$

素因数の和:27018

約数の個数: 32

約数和(自身を含む): 46645632

約数和(自身を除く): 25861022

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26993, 53986, 134965, 188951, 269930, 296923, 377902, 593846, 944755, 1484615, 1889510, 2078461, 2969230, 4156922, 10392305, 20784610]

約数ペア:

[(1, 20784610), (2, 10392305), (5, 4156922), (7, 2969230), (10, 2078461), (11, 1889510), (14, 1484615), (22, 944755), (35, 593846), (55, 377902), (70, 296923), (77, 269930), (110, 188951), (154, 134965), (385, 53986), (770, 26993)]