20157320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17377}}^1$

素因数の和:17417

約数の個数: 32

約数和(自身を含む): 46920600

約数和(自身を除く): 26763280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 17377, 34754, 69508, 86885, 139016, 173770, 347540, 503933, 695080, 1007866, 2015732, 2519665, 4031464, 5039330, 10078660, 20157320]

約数ペア:

[(1, 20157320), (2, 10078660), (4, 5039330), (5, 4031464), (8, 2519665), (10, 2015732), (20, 1007866), (29, 695080), (40, 503933), (58, 347540), (116, 173770), (145, 139016), (232, 86885), (290, 69508), (580, 34754), (1160, 17377)]