20916728

素因数分解:

$2^3\times 7^2\times {\mathrm{53359}}^1$

素因数の和:53379

約数の個数: 24

約数和(自身を含む): 45622800

約数和(自身を除く): 24706072

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53359, 106718, 213436, 373513, 426872, 747026, 1494052, 2614591, 2988104, 5229182, 10458364, 20916728]

約数ペア:

[(1, 20916728), (2, 10458364), (4, 5229182), (7, 2988104), (8, 2614591), (14, 1494052), (28, 747026), (49, 426872), (56, 373513), (98, 213436), (196, 106718), (392, 53359)]