20278399515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6468389}}^1$

素因数の和:6468427

約数の個数: 32

約数和(自身を含む): 37257926400

約数和(自身を除く): 16979526885

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6468389, 19405167, 32341945, 71152279, 97025835, 122899391, 213456837, 355761395, 368698173, 614496955, 1067284185, 1351893301, 1843490865, 4055679903, 6759466505, 20278399515]

約数ペア:

[(1, 20278399515), (3, 6759466505), (5, 4055679903), (11, 1843490865), (15, 1351893301), (19, 1067284185), (33, 614496955), (55, 368698173), (57, 355761395), (95, 213456837), (165, 122899391), (209, 97025835), (285, 71152279), (627, 32341945), (1045, 19405167), (3135, 6468389)]