20117180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{433}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 44622144

約数和(自身を除く): 24504964

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 101, 115, 202, 230, 404, 433, 460, 505, 866, 1010, 1732, 2020, 2165, 2323, 4330, 4646, 8660, 9292, 9959, 11615, 19918, 23230, 39836, 43733, 46460, 49795, 87466, 99590, 174932, 199180, 218665, 437330, 874660, 1005859, 2011718, 4023436, 5029295, 10058590, 20117180]

約数ペア:

[(1, 20117180), (2, 10058590), (4, 5029295), (5, 4023436), (10, 2011718), (20, 1005859), (23, 874660), (46, 437330), (92, 218665), (101, 199180), (115, 174932), (202, 99590), (230, 87466), (404, 49795), (433, 46460), (460, 43733), (505, 39836), (866, 23230), (1010, 19918), (1732, 11615), (2020, 9959), (2165, 9292), (2323, 8660), (4330, 4646)]