20804004

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44453}}^1$

素因数の和:44476

約数の個数: 36

約数和(自身を含む): 56634396

約数和(自身を除く): 35830392

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44453, 88906, 133359, 177812, 266718, 400077, 533436, 577889, 800154, 1155778, 1600308, 1733667, 2311556, 3467334, 5201001, 6934668, 10402002, 20804004]

約数ペア:

[(1, 20804004), (2, 10402002), (3, 6934668), (4, 5201001), (6, 3467334), (9, 2311556), (12, 1733667), (13, 1600308), (18, 1155778), (26, 800154), (36, 577889), (39, 533436), (52, 400077), (78, 266718), (117, 177812), (156, 133359), (234, 88906), (468, 44453)]