17642020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{80191}}^1$

素因数の和:80211

約数の個数: 24

約数和(自身を含む): 40416768

約数和(自身を除く): 22774748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 80191, 160382, 320764, 400955, 801910, 882101, 1603820, 1764202, 3528404, 4410505, 8821010, 17642020]

約数ペア:

[(1, 17642020), (2, 8821010), (4, 4410505), (5, 3528404), (10, 1764202), (11, 1603820), (20, 882101), (22, 801910), (44, 400955), (55, 320764), (110, 160382), (220, 80191)]