20931274

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6053}}^1$

素因数の和:6094

約数の個数: 32

約数和(自身を含む): 40682880

約数和(自身を除く): 19751606

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 6053, 12106, 42371, 78689, 84742, 115007, 157378, 230014, 550823, 805049, 1101646, 1495091, 1610098, 2990182, 10465637, 20931274]

約数ペア:

[(1, 20931274), (2, 10465637), (7, 2990182), (13, 1610098), (14, 1495091), (19, 1101646), (26, 805049), (38, 550823), (91, 230014), (133, 157378), (182, 115007), (247, 84742), (266, 78689), (494, 42371), (1729, 12106), (3458, 6053)]