20994872

素因数分解:

$2^3\times {\mathrm{431}}^1\times {\mathrm{6089}}^1$

素因数の和:6526

約数の個数: 16

約数和(自身を含む): 39463200

約数和(自身を除く): 18468328

約数列:

[1, 2, 4, 8, 431, 862, 1724, 3448, 6089, 12178, 24356, 48712, 2624359, 5248718, 10497436, 20994872]

約数ペア:

[(1, 20994872), (2, 10497436), (4, 5248718), (8, 2624359), (431, 48712), (862, 24356), (1724, 12178), (3448, 6089)]