20174853220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2794301}}^1$

素因数の和:2794348

約数の個数: 36

約数和(自身を含む): 44714420604

約数和(自身を除く): 24539567384

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 2794301, 5588602, 11177204, 13971505, 27943010, 53091719, 55886020, 106183438, 212366876, 265458595, 530917190, 1008742661, 1061834380, 2017485322, 4034970644, 5043713305, 10087426610, 20174853220]

約数ペア:

[(1, 20174853220), (2, 10087426610), (4, 5043713305), (5, 4034970644), (10, 2017485322), (19, 1061834380), (20, 1008742661), (38, 530917190), (76, 265458595), (95, 212366876), (190, 106183438), (361, 55886020), (380, 53091719), (722, 27943010), (1444, 13971505), (1805, 11177204), (3610, 5588602), (7220, 2794301)]