20197802313

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{245563}}^1$

素因数の和:245638

約数の個数: 48

約数和(自身を含む): 33966412480

約数和(自身を除く): 13768610167

約数列:

[1, 3, 9, 13, 19, 37, 39, 57, 111, 117, 171, 247, 333, 481, 703, 741, 1443, 2109, 2223, 4329, 6327, 9139, 27417, 82251, 245563, 736689, 2210067, 3192319, 4665697, 9085831, 9576957, 13997091, 27257493, 28730871, 41991273, 60654061, 81772479, 118115803, 172630789, 181962183, 354347409, 517892367, 545886549, 1063042227, 1553677101, 2244200257, 6732600771, 20197802313]

約数ペア:

[(1, 20197802313), (3, 6732600771), (9, 2244200257), (13, 1553677101), (19, 1063042227), (37, 545886549), (39, 517892367), (57, 354347409), (111, 181962183), (117, 172630789), (171, 118115803), (247, 81772479), (333, 60654061), (481, 41991273), (703, 28730871), (741, 27257493), (1443, 13997091), (2109, 9576957), (2223, 9085831), (4329, 4665697), (6327, 3192319), (9139, 2210067), (27417, 736689), (82251, 245563)]