20645286

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1867}}^1$

素因数の和:1988

約数の個数: 32

約数和(自身を含む): 43935360

約数和(自身を除く): 23290074

約数列:

[1, 2, 3, 6, 19, 38, 57, 97, 114, 194, 291, 582, 1843, 1867, 3686, 3734, 5529, 5601, 11058, 11202, 35473, 70946, 106419, 181099, 212838, 362198, 543297, 1086594, 3440881, 6881762, 10322643, 20645286]

約数ペア:

[(1, 20645286), (2, 10322643), (3, 6881762), (6, 3440881), (19, 1086594), (38, 543297), (57, 362198), (97, 212838), (114, 181099), (194, 106419), (291, 70946), (582, 35473), (1843, 11202), (1867, 11058), (3686, 5601), (3734, 5529)]