20324330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1979}}^1$

素因数の和:2078

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19592470

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 1979, 2054, 3958, 5135, 9895, 10270, 19790, 25727, 51454, 128635, 156341, 257270, 312682, 781705, 1563410, 2032433, 4064866, 10162165, 20324330]

約数ペア:

[(1, 20324330), (2, 10162165), (5, 4064866), (10, 2032433), (13, 1563410), (26, 781705), (65, 312682), (79, 257270), (130, 156341), (158, 128635), (395, 51454), (790, 25727), (1027, 19790), (1979, 10270), (2054, 9895), (3958, 5135)]