20308899

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 30067632

約数和(自身を除く): 9758733

約数列:

[1, 3, 13, 39, 41, 123, 169, 507, 533, 977, 1599, 2931, 6929, 12701, 20787, 38103, 40057, 120171, 165113, 495339, 520741, 1562223, 6769633, 20308899]

約数ペア:

[(1, 20308899), (3, 6769633), (13, 1562223), (39, 520741), (41, 495339), (123, 165113), (169, 120171), (507, 40057), (533, 38103), (977, 20787), (1599, 12701), (2931, 6929)]