20945506

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{1427}}^1$

素因数の和:1649

約数の個数: 16

約数和(自身を含む): 32387040

約数和(自身を除く): 11441534

約数列:

[1, 2, 41, 82, 179, 358, 1427, 2854, 7339, 14678, 58507, 117014, 255433, 510866, 10472753, 20945506]

約数ペア:

[(1, 20945506), (2, 10472753), (41, 510866), (82, 255433), (179, 117014), (358, 58507), (1427, 14678), (2854, 7339)]