20845412

素因数分解:

$2^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{3251}}^1$

素因数の和:3491

約数の個数: 24

約数和(自身を含む): 41885760

約数和(自身を除く): 21040348

約数列:

[1, 2, 4, 7, 14, 28, 229, 458, 916, 1603, 3206, 3251, 6412, 6502, 13004, 22757, 45514, 91028, 744479, 1488958, 2977916, 5211353, 10422706, 20845412]

約数ペア:

[(1, 20845412), (2, 10422706), (4, 5211353), (7, 2977916), (14, 1488958), (28, 744479), (229, 91028), (458, 45514), (916, 22757), (1603, 13004), (3206, 6502), (3251, 6412)]