17960420

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4027}}^1$

素因数の和:4259

約数の個数: 24

約数和(自身を含む): 37895424

約数和(自身を除く): 19935004

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4027, 4460, 8054, 16108, 20135, 40270, 80540, 898021, 1796042, 3592084, 4490105, 8980210, 17960420]

約数ペア:

[(1, 17960420), (2, 8980210), (4, 4490105), (5, 3592084), (10, 1796042), (20, 898021), (223, 80540), (446, 40270), (892, 20135), (1115, 16108), (2230, 8054), (4027, 4460)]