17739220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20627}}^1$

素因数の和:20679

約数の個数: 24

約数和(自身を含む): 38120544

約数和(自身を除く): 20381324

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 20627, 41254, 82508, 103135, 206270, 412540, 886961, 1773922, 3547844, 4434805, 8869610, 17739220]

約数ペア:

[(1, 17739220), (2, 8869610), (4, 4434805), (5, 3547844), (10, 1773922), (20, 886961), (43, 412540), (86, 206270), (172, 103135), (215, 82508), (430, 41254), (860, 20627)]