20803621120

素因数分解:

$2^8\times 5^1\times {\mathrm{16252829}}^1$

素因数の和:16252850

約数の個数: 36

約数和(自身を含む): 49831176780

約数和(自身を除く): 29027555660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 16252829, 32505658, 65011316, 81264145, 130022632, 162528290, 260045264, 325056580, 520090528, 650113160, 1040181056, 1300226320, 2080362112, 2600452640, 4160724224, 5200905280, 10401810560, 20803621120]

約数ペア:

[(1, 20803621120), (2, 10401810560), (4, 5200905280), (5, 4160724224), (8, 2600452640), (10, 2080362112), (16, 1300226320), (20, 1040181056), (32, 650113160), (40, 520090528), (64, 325056580), (80, 260045264), (128, 162528290), (160, 130022632), (256, 81264145), (320, 65011316), (640, 32505658), (1280, 16252829)]