20499916

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 36542016

約数和(自身を除く): 16042100

約数列:

[1, 2, 4, 107, 211, 214, 227, 422, 428, 454, 844, 908, 22577, 24289, 45154, 47897, 48578, 90308, 95794, 97156, 191588, 5124979, 10249958, 20499916]

約数ペア:

[(1, 20499916), (2, 10249958), (4, 5124979), (107, 191588), (211, 97156), (214, 95794), (227, 90308), (422, 48578), (428, 47897), (454, 45154), (844, 24289), (908, 22577)]