20785330

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{90371}}^1$

素因数の和:90401

約数の個数: 16

約数和(自身を含む): 39040704

約数和(自身を除く): 18255374

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 90371, 180742, 451855, 903710, 2078533, 4157066, 10392665, 20785330]

約数ペア:

[(1, 20785330), (2, 10392665), (5, 4157066), (10, 2078533), (23, 903710), (46, 451855), (115, 180742), (230, 90371)]