20274921

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{4973}}^1$

素因数の和:5133

約数の個数: 16

約数和(自身を含む): 30241920

約数和(自身を除く): 9966999

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 4973, 14919, 44757, 134271, 750923, 2252769, 6758307, 20274921]

約数ペア:

[(1, 20274921), (3, 6758307), (9, 2252769), (27, 750923), (151, 134271), (453, 44757), (1359, 14919), (4077, 4973)]