20215499512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{550651}}^1$

素因数の和:551023

約数の個数: 32

約数和(自身を含む): 40935469680

約数和(自身を除く): 20719970168

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 353, 706, 1412, 2824, 4589, 9178, 18356, 36712, 550651, 1101302, 2202604, 4405208, 7158463, 14316926, 28633852, 57267704, 194379803, 388759606, 777519212, 1555038424, 2526937439, 5053874878, 10107749756, 20215499512]

約数ペア:

[(1, 20215499512), (2, 10107749756), (4, 5053874878), (8, 2526937439), (13, 1555038424), (26, 777519212), (52, 388759606), (104, 194379803), (353, 57267704), (706, 28633852), (1412, 14316926), (2824, 7158463), (4589, 4405208), (9178, 2202604), (18356, 1101302), (36712, 550651)]