20178208

素因数分解:

$2^5\times {\mathrm{389}}^1\times {\mathrm{1621}}^1$

素因数の和:2020

約数の個数: 24

約数和(自身を含む): 39852540

約数和(自身を除く): 19674332

約数列:

[1, 2, 4, 8, 16, 32, 389, 778, 1556, 1621, 3112, 3242, 6224, 6484, 12448, 12968, 25936, 51872, 630569, 1261138, 2522276, 5044552, 10089104, 20178208]

約数ペア:

[(1, 20178208), (2, 10089104), (4, 5044552), (8, 2522276), (16, 1261138), (32, 630569), (389, 51872), (778, 25936), (1556, 12968), (1621, 12448), (3112, 6484), (3242, 6224)]