20189901605

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{240113}}^1$

素因数の和:240436

約数の個数: 16

約数和(自身を含む): 24687561024

約数和(自身を除く): 4497659419

約数列:

[1, 5, 67, 251, 335, 1255, 16817, 84085, 240113, 1200565, 16087571, 60268363, 80437855, 301341815, 4037980321, 20189901605]

約数ペア:

[(1, 20189901605), (5, 4037980321), (67, 301341815), (251, 80437855), (335, 60268363), (1255, 16087571), (16817, 1200565), (84085, 240113)]