20387676

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{39511}}^1$

素因数の和:39561

約数の個数: 24

約数和(自身を含む): 48678784

約数和(自身を除く): 28291108

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 39511, 79022, 118533, 158044, 237066, 474132, 1698973, 3397946, 5096919, 6795892, 10193838, 20387676]

約数ペア:

[(1, 20387676), (2, 10193838), (3, 6795892), (4, 5096919), (6, 3397946), (12, 1698973), (43, 474132), (86, 237066), (129, 158044), (172, 118533), (258, 79022), (516, 39511)]