20977664

素因数分解:

$2^{11}\times {\mathrm{10243}}^1$

素因数の和:10265

約数の個数: 24

約数和(自身を含む): 41949180

約数和(自身を除く): 20971516

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 10243, 20486, 40972, 81944, 163888, 327776, 655552, 1311104, 2622208, 5244416, 10488832, 20977664]

約数ペア:

[(1, 20977664), (2, 10488832), (4, 5244416), (8, 2622208), (16, 1311104), (32, 655552), (64, 327776), (128, 163888), (256, 81944), (512, 40972), (1024, 20486), (2048, 10243)]