20823738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{266971}}^1$

素因数の和:266989

約数の個数: 16

約数和(自身を含む): 44851296

約数和(自身を除く): 24027558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 266971, 533942, 800913, 1601826, 3470623, 6941246, 10411869, 20823738]

約数ペア:

[(1, 20823738), (2, 10411869), (3, 6941246), (6, 3470623), (13, 1601826), (26, 800913), (39, 533942), (78, 266971)]