20919087

素因数分解:

$3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{733}}^1$

素因数の和:900

約数の個数: 32

約数和(自身を含む): 35701760

約数和(自身を除く): 14782673

約数列:

[1, 3, 7, 9, 21, 27, 63, 151, 189, 453, 733, 1057, 1359, 2199, 3171, 4077, 5131, 6597, 9513, 15393, 19791, 28539, 46179, 110683, 138537, 332049, 774781, 996147, 2324343, 2988441, 6973029, 20919087]

約数ペア:

[(1, 20919087), (3, 6973029), (7, 2988441), (9, 2324343), (21, 996147), (27, 774781), (63, 332049), (151, 138537), (189, 110683), (453, 46179), (733, 28539), (1057, 19791), (1359, 15393), (2199, 9513), (3171, 6597), (4077, 5131)]