20190884

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7001}}^1$

素因数の和:7115

約数の個数: 24

約数和(自身を含む): 40779648

約数和(自身を除く): 20588764

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 7001, 14002, 28004, 49007, 98014, 196028, 721103, 1442206, 2884412, 5047721, 10095442, 20190884]

約数ペア:

[(1, 20190884), (2, 10095442), (4, 5047721), (7, 2884412), (14, 1442206), (28, 721103), (103, 196028), (206, 98014), (412, 49007), (721, 28004), (1442, 14002), (2884, 7001)]