20131420682

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{13217}}^1$

素因数の和:13550

約数の個数: 32

約数和(自身を含む): 31405968000

約数和(自身を除く): 11274547318

約数列:

[1, 2, 43, 86, 89, 178, 199, 398, 3827, 7654, 8557, 13217, 17114, 17711, 26434, 35422, 568331, 761573, 1136662, 1176313, 1523146, 2352626, 2630183, 5260366, 50581459, 101162918, 113097869, 226195738, 234086287, 468172574, 10065710341, 20131420682]

約数ペア:

[(1, 20131420682), (2, 10065710341), (43, 468172574), (86, 234086287), (89, 226195738), (178, 113097869), (199, 101162918), (398, 50581459), (3827, 5260366), (7654, 2630183), (8557, 2352626), (13217, 1523146), (17114, 1176313), (17711, 1136662), (26434, 761573), (35422, 568331)]