20294005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{929}}^1$

素因数の和:1208

約数の個数: 16

約数和(自身を含む): 25913520

約数和(自身を除く): 5619515

約数列:

[1, 5, 17, 85, 257, 929, 1285, 4369, 4645, 15793, 21845, 78965, 238753, 1193765, 4058801, 20294005]

約数ペア:

[(1, 20294005), (5, 4058801), (17, 1193765), (85, 238753), (257, 78965), (929, 21845), (1285, 15793), (4369, 4645)]