20903914

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{32359}}^1$

素因数の和:32397

約数の個数: 16

約数和(自身を含む): 34948800

約数和(自身を除く): 14044886

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 32359, 64718, 550103, 614821, 1100206, 1229642, 10451957, 20903914]

約数ペア:

[(1, 20903914), (2, 10451957), (17, 1229642), (19, 1100206), (34, 614821), (38, 550103), (323, 64718), (646, 32359)]