20321127

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{787}}^1$

素因数の和:963

約数の個数: 24

約数和(自身を含む): 31141760

約数和(自身を除く): 10820633

約数列:

[1, 3, 9, 19, 57, 151, 171, 453, 787, 1359, 2361, 2869, 7083, 8607, 14953, 25821, 44859, 118837, 134577, 356511, 1069533, 2257903, 6773709, 20321127]

約数ペア:

[(1, 20321127), (3, 6773709), (9, 2257903), (19, 1069533), (57, 356511), (151, 134577), (171, 118837), (453, 44859), (787, 25821), (1359, 14953), (2361, 8607), (2869, 7083)]