20803393

素因数分解:

${\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{557}}^1$

素因数の和:613

約数の個数: 16

約数和(自身を含む): 23904720

約数和(自身を除く): 3101327

約数列:

[1, 13, 17, 169, 221, 557, 2197, 2873, 7241, 9469, 37349, 94133, 123097, 1223729, 1600261, 20803393]

約数ペア:

[(1, 20803393), (13, 1600261), (17, 1223729), (169, 123097), (221, 94133), (557, 37349), (2197, 9469), (2873, 7241)]