20749994

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2711}}^1$

素因数の和:2845

約数の個数: 16

約数和(自身を含む): 32218560

約数和(自身を除く): 11468566

約数列:

[1, 2, 43, 86, 89, 178, 2711, 3827, 5422, 7654, 116573, 233146, 241279, 482558, 10374997, 20749994]

約数ペア:

[(1, 20749994), (2, 10374997), (43, 482558), (86, 241279), (89, 233146), (178, 116573), (2711, 7654), (3827, 5422)]