15860420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21433}}^1$

素因数の和:21479

約数の個数: 24

約数和(自身を含む): 34208664

約数和(自身を除く): 18348244

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 21433, 42866, 85732, 107165, 214330, 428660, 793021, 1586042, 3172084, 3965105, 7930210, 15860420]

約数ペア:

[(1, 15860420), (2, 7930210), (4, 3965105), (5, 3172084), (10, 1586042), (20, 793021), (37, 428660), (74, 214330), (148, 107165), (185, 85732), (370, 42866), (740, 21433)]