20237438319

素因数分解:

$3^1\times 7^1\times {\mathrm{2503}}^1\times {\mathrm{385013}}^1$

素因数の和:387526

約数の個数: 16

約数和(自身を含む): 30850401792

約数和(自身を除く): 10612963473

約数列:

[1, 3, 7, 21, 2503, 7509, 17521, 52563, 385013, 1155039, 2695091, 8085273, 963687539, 2891062617, 6745812773, 20237438319]

約数ペア:

[(1, 20237438319), (3, 6745812773), (7, 2891062617), (21, 963687539), (2503, 8085273), (7509, 2695091), (17521, 1155039), (52563, 385013)]