20753855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{6599}}^1$

素因数の和:6658

約数の個数: 16

約数和(自身を含む): 27086400

約数和(自身を除く): 6332545

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 6599, 32995, 112183, 244163, 560915, 1220815, 4150771, 20753855]

約数ペア:

[(1, 20753855), (5, 4150771), (17, 1220815), (37, 560915), (85, 244163), (185, 112183), (629, 32995), (3145, 6599)]