20598907

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2539}}^1$

素因数の和:2626

約数の個数: 16

約数和(自身を含む): 25196800

約数和(自身を除く): 4597893

約数列:

[1, 7, 19, 61, 133, 427, 1159, 2539, 8113, 17773, 48241, 154879, 337687, 1084153, 2942701, 20598907]

約数ペア:

[(1, 20598907), (7, 2942701), (19, 1084153), (61, 337687), (133, 154879), (427, 48241), (1159, 17773), (2539, 8113)]