13216820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{38873}}^1$

素因数の和:38899

約数の個数: 24

約数和(自身を含む): 29388744

約数和(自身を除く): 16171924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 38873, 77746, 155492, 194365, 388730, 660841, 777460, 1321682, 2643364, 3304205, 6608410, 13216820]

約数ペア:

[(1, 13216820), (2, 6608410), (4, 3304205), (5, 2643364), (10, 1321682), (17, 777460), (20, 660841), (34, 388730), (68, 194365), (85, 155492), (170, 77746), (340, 38873)]