20180595790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{290243}}^1$

素因数の和:290676

約数の個数: 32

約数和(自身を含む): 38556012960

約数和(自身を除く): 18375417170

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 409, 818, 2045, 4090, 6953, 13906, 34765, 69530, 290243, 580486, 1451215, 2902430, 4934131, 9868262, 24670655, 49341310, 118709387, 237418774, 593546935, 1187093870, 2018059579, 4036119158, 10090297895, 20180595790]

約数ペア:

[(1, 20180595790), (2, 10090297895), (5, 4036119158), (10, 2018059579), (17, 1187093870), (34, 593546935), (85, 237418774), (170, 118709387), (409, 49341310), (818, 24670655), (2045, 9868262), (4090, 4934131), (6953, 2902430), (13906, 1451215), (34765, 580486), (69530, 290243)]