20451272

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{150377}}^1$

素因数の和:150400

約数の個数: 16

約数和(自身を含む): 40602060

約数和(自身を除く): 20150788

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 150377, 300754, 601508, 1203016, 2556409, 5112818, 10225636, 20451272]

約数ペア:

[(1, 20451272), (2, 10225636), (4, 5112818), (8, 2556409), (17, 1203016), (34, 601508), (68, 300754), (136, 150377)]