20422853

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 24323040

約数和(自身を除く): 3900187

約数列:

[1, 11, 19, 37, 139, 209, 361, 407, 703, 1529, 2641, 3971, 5143, 7733, 13357, 29051, 50179, 56573, 97717, 146927, 551969, 1074887, 1856623, 20422853]

約数ペア:

[(1, 20422853), (11, 1856623), (19, 1074887), (37, 551969), (139, 146927), (209, 97717), (361, 56573), (407, 50179), (703, 29051), (1529, 13357), (2641, 7733), (3971, 5143)]