20199644439

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{633953}}^1$

素因数の和:634031

約数の個数: 32

約数和(自身を含む): 31241253120

約数和(自身を除く): 11041608681

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 247, 559, 741, 817, 1677, 2451, 10621, 31863, 633953, 1901859, 8241389, 12045107, 24724167, 27259979, 36135321, 81779937, 156586391, 354379727, 469759173, 517939601, 1063139181, 1553818803, 6733214813, 20199644439]

約数ペア:

[(1, 20199644439), (3, 6733214813), (13, 1553818803), (19, 1063139181), (39, 517939601), (43, 469759173), (57, 354379727), (129, 156586391), (247, 81779937), (559, 36135321), (741, 27259979), (817, 24724167), (1677, 12045107), (2451, 8241389), (10621, 1901859), (31863, 633953)]