20884486

素因数分解:

$2^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{2069}}^1$

素因数の和:2188

約数の個数: 24

約数和(自身を含む): 36812880

約数和(自身を除く): 15928394

約数列:

[1, 2, 7, 14, 49, 98, 103, 206, 721, 1442, 2069, 4138, 5047, 10094, 14483, 28966, 101381, 202762, 213107, 426214, 1491749, 2983498, 10442243, 20884486]

約数ペア:

[(1, 20884486), (2, 10442243), (7, 2983498), (14, 1491749), (49, 426214), (98, 213107), (103, 202762), (206, 101381), (721, 28966), (1442, 14483), (2069, 10094), (4138, 5047)]