20299995

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6733}}^1$

素因数の和:6811

約数の個数: 24

約数和(自身を含む): 35717136

約数和(自身を除く): 15417141

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 6733, 20199, 33665, 60597, 100995, 302985, 451111, 1353333, 2255555, 4059999, 6766665, 20299995]

約数ペア:

[(1, 20299995), (3, 6766665), (5, 4059999), (9, 2255555), (15, 1353333), (45, 451111), (67, 302985), (201, 100995), (335, 60597), (603, 33665), (1005, 20199), (3015, 6733)]