20179653

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 30898560

約数和(自身を除く): 10718907

約数列:

[1, 3, 13, 19, 39, 57, 113, 241, 247, 339, 723, 741, 1469, 2147, 3133, 4407, 4579, 6441, 9399, 13737, 27233, 27911, 59527, 81699, 83733, 178581, 354029, 517427, 1062087, 1552281, 6726551, 20179653]

約数ペア:

[(1, 20179653), (3, 6726551), (13, 1552281), (19, 1062087), (39, 517427), (57, 354029), (113, 178581), (241, 83733), (247, 81699), (339, 59527), (723, 27911), (741, 27233), (1469, 13737), (2147, 9399), (3133, 6441), (4407, 4579)]