20915362

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{1217}}^1$

素因数の和:1893

約数の個数: 16

約数和(自身を含む): 33865272

約数和(自身を除く): 12949910

約数列:

[1, 2, 13, 26, 661, 1217, 1322, 2434, 8593, 15821, 17186, 31642, 804437, 1608874, 10457681, 20915362]

約数ペア:

[(1, 20915362), (2, 10457681), (13, 1608874), (26, 804437), (661, 31642), (1217, 17186), (1322, 15821), (2434, 8593)]