20209664

素因数分解:

$2^{13}\times {\mathrm{2467}}^1$

素因数の和:2493

約数の個数: 28

約数和(自身を含む): 40433244

約数和(自身を除く): 20223580

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 2467, 4096, 4934, 8192, 9868, 19736, 39472, 78944, 157888, 315776, 631552, 1263104, 2526208, 5052416, 10104832, 20209664]

約数ペア:

[(1, 20209664), (2, 10104832), (4, 5052416), (8, 2526208), (16, 1263104), (32, 631552), (64, 315776), (128, 157888), (256, 78944), (512, 39472), (1024, 19736), (2048, 9868), (2467, 8192), (4096, 4934)]