20962881

素因数分解:

$3^5\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 31615584

約数和(自身を除く): 10652703

約数列:

[1, 3, 9, 27, 81, 243, 281, 307, 843, 921, 2529, 2763, 7587, 8289, 22761, 24867, 68283, 74601, 86267, 258801, 776403, 2329209, 6987627, 20962881]

約数ペア:

[(1, 20962881), (3, 6987627), (9, 2329209), (27, 776403), (81, 258801), (243, 86267), (281, 74601), (307, 68283), (843, 24867), (921, 22761), (2529, 8289), (2763, 7587)]