20836407

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21503}}^1$

素因数の和:21542

約数の個数: 16

約数和(自身を含む): 30965760

約数和(自身を除く): 10129353

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 21503, 64509, 365551, 408557, 1096653, 1225671, 6945469, 20836407]

約数ペア:

[(1, 20836407), (3, 6945469), (17, 1225671), (19, 1096653), (51, 408557), (57, 365551), (323, 64509), (969, 21503)]