20120680

素因数分解:

$2^3\times 5^1\times {\mathrm{503017}}^1$

素因数の和:503028

約数の個数: 16

約数和(自身を含む): 45271620

約数和(自身を除く): 25150940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503017, 1006034, 2012068, 2515085, 4024136, 5030170, 10060340, 20120680]

約数ペア:

[(1, 20120680), (2, 10060340), (4, 5030170), (5, 4024136), (8, 2515085), (10, 2012068), (20, 1006034), (40, 503017)]