20002140908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{458891}}^1$

素因数の和:459553

約数の個数: 24

約数和(自身を含む): 37120691664

約数和(自身を除く): 17118550756

約数列:

[1, 2, 4, 17, 34, 68, 641, 1282, 2564, 10897, 21794, 43588, 458891, 917782, 1835564, 7801147, 15602294, 31204588, 294149131, 588298262, 1176596524, 5000535227, 10001070454, 20002140908]

約数ペア:

[(1, 20002140908), (2, 10001070454), (4, 5000535227), (17, 1176596524), (34, 588298262), (68, 294149131), (641, 31204588), (1282, 15602294), (2564, 7801147), (10897, 1835564), (21794, 917782), (43588, 458891)]