20117403

素因数分解:

$3^4\times {\mathrm{307}}^1\times {\mathrm{809}}^1$

素因数の和:1128

約数の個数: 20

約数和(自身を含む): 30187080

約数和(自身を除く): 10069677

約数列:

[1, 3, 9, 27, 81, 307, 809, 921, 2427, 2763, 7281, 8289, 21843, 24867, 65529, 248363, 745089, 2235267, 6705801, 20117403]

約数ペア:

[(1, 20117403), (3, 6705801), (9, 2235267), (27, 745089), (81, 248363), (307, 65529), (809, 24867), (921, 21843), (2427, 8289), (2763, 7281)]