20170819209

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2886907}}^1$

素因数の和:2887064

約数の個数: 16

約数和(自身を含む): 28684317888

約数和(自身を除く): 8513498679

約数列:

[1, 3, 17, 51, 137, 411, 2329, 6987, 2886907, 8660721, 49077419, 147232257, 395506259, 1186518777, 6723606403, 20170819209]

約数ペア:

[(1, 20170819209), (3, 6723606403), (17, 1186518777), (51, 395506259), (137, 147232257), (411, 49077419), (2329, 8660721), (6987, 2886907)]