20707674625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{22853}}^1$

素因数の和:23538

約数の個数: 32

約数和(自身を含む): 28236574080

約数和(自身を除く): 7528899455

約数列:

[1, 5, 11, 25, 55, 125, 275, 659, 1375, 3295, 7249, 16475, 22853, 36245, 82375, 114265, 181225, 251383, 571325, 906125, 1256915, 2856625, 6284575, 15060127, 31422875, 75300635, 165661397, 376503175, 828306985, 1882515875, 4141534925, 20707674625]

約数ペア:

[(1, 20707674625), (5, 4141534925), (11, 1882515875), (25, 828306985), (55, 376503175), (125, 165661397), (275, 75300635), (659, 31422875), (1375, 15060127), (3295, 6284575), (7249, 2856625), (16475, 1256915), (22853, 906125), (36245, 571325), (82375, 251383), (114265, 181225)]