20809929415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{162457}}^1$

素因数の和:162627

約数の個数: 32

約数和(自身を含む): 29055288384

約数和(自身を除く): 8245358969

約数列:

[1, 5, 11, 17, 55, 85, 137, 187, 685, 935, 1507, 2329, 7535, 11645, 25619, 128095, 162457, 812285, 1787027, 2761769, 8935135, 13808845, 22256609, 30379459, 111283045, 151897295, 244822699, 378362353, 1224113495, 1891811765, 4161985883, 20809929415]

約数ペア:

[(1, 20809929415), (5, 4161985883), (11, 1891811765), (17, 1224113495), (55, 378362353), (85, 244822699), (137, 151897295), (187, 111283045), (685, 30379459), (935, 22256609), (1507, 13808845), (2329, 8935135), (7535, 2761769), (11645, 1787027), (25619, 812285), (128095, 162457)]