20720084

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67273}}^1$

素因数の和:67295

約数の個数: 24

約数和(自身を含む): 45208128

約数和(自身を除く): 24488044

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67273, 134546, 269092, 470911, 740003, 941822, 1480006, 1883644, 2960012, 5180021, 10360042, 20720084]

約数ペア:

[(1, 20720084), (2, 10360042), (4, 5180021), (7, 2960012), (11, 1883644), (14, 1480006), (22, 941822), (28, 740003), (44, 470911), (77, 269092), (154, 134546), (308, 67273)]