20326713

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1957

約数の個数: 32

約数和(自身を含む): 32970240

約数和(自身を除く): 12643527

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 187, 209, 323, 561, 627, 969, 1907, 3553, 5721, 10659, 20977, 32419, 36233, 62931, 97257, 108699, 356609, 398563, 615961, 1069827, 1195689, 1847883, 6775571, 20326713]

約数ペア:

[(1, 20326713), (3, 6775571), (11, 1847883), (17, 1195689), (19, 1069827), (33, 615961), (51, 398563), (57, 356609), (187, 108699), (209, 97257), (323, 62931), (561, 36233), (627, 32419), (969, 20977), (1907, 10659), (3553, 5721)]