20664932

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2141}}^1$

素因数の和:2291

約数の個数: 24

約数和(自身を含む): 38384640

約数和(自身を除く): 17719708

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 508, 2141, 2413, 4282, 4826, 8564, 9652, 40679, 81358, 162716, 271907, 543814, 1087628, 5166233, 10332466, 20664932]

約数ペア:

[(1, 20664932), (2, 10332466), (4, 5166233), (19, 1087628), (38, 543814), (76, 271907), (127, 162716), (254, 81358), (508, 40679), (2141, 9652), (2413, 8564), (4282, 4826)]