20775902

素因数分解:

$2^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{2099}}^1$

素因数の和:2216

約数の個数: 24

約数和(自身を含む): 36628200

約数和(自身を除く): 15852298

約数列:

[1, 2, 7, 14, 49, 98, 101, 202, 707, 1414, 2099, 4198, 4949, 9898, 14693, 29386, 102851, 205702, 211999, 423998, 1483993, 2967986, 10387951, 20775902]

約数ペア:

[(1, 20775902), (2, 10387951), (7, 2967986), (14, 1483993), (49, 423998), (98, 211999), (101, 205702), (202, 102851), (707, 29386), (1414, 14693), (2099, 9898), (4198, 4949)]