20738164

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1871}}^1$

素因数の和:2055

約数の個数: 24

約数和(自身を含む): 38683008

約数和(自身を除く): 17944844

約数列:

[1, 2, 4, 17, 34, 68, 163, 326, 652, 1871, 2771, 3742, 5542, 7484, 11084, 31807, 63614, 127228, 304973, 609946, 1219892, 5184541, 10369082, 20738164]

約数ペア:

[(1, 20738164), (2, 10369082), (4, 5184541), (17, 1219892), (34, 609946), (68, 304973), (163, 127228), (326, 63614), (652, 31807), (1871, 11084), (2771, 7484), (3742, 5542)]