20889460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{28229}}^1$

素因数の和:28275

約数の個数: 24

約数和(自身を含む): 45055080

約数和(自身を除く): 24165620

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 28229, 56458, 112916, 141145, 282290, 564580, 1044473, 2088946, 4177892, 5222365, 10444730, 20889460]

約数ペア:

[(1, 20889460), (2, 10444730), (4, 5222365), (5, 4177892), (10, 2088946), (20, 1044473), (37, 564580), (74, 282290), (148, 141145), (185, 112916), (370, 56458), (740, 28229)]