17713420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{479}}^1$

素因数の和:574

約数の個数: 36

約数和(自身を含む): 38162880

約数和(自身を除く): 20449460

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 479, 860, 958, 1849, 1916, 2395, 3698, 4790, 7396, 9245, 9580, 18490, 20597, 36980, 41194, 82388, 102985, 205970, 411940, 885671, 1771342, 3542684, 4428355, 8856710, 17713420]

約数ペア:

[(1, 17713420), (2, 8856710), (4, 4428355), (5, 3542684), (10, 1771342), (20, 885671), (43, 411940), (86, 205970), (172, 102985), (215, 82388), (430, 41194), (479, 36980), (860, 20597), (958, 18490), (1849, 9580), (1916, 9245), (2395, 7396), (3698, 4790)]