20482240

素因数分解:

$2^6\times 5^1\times {\mathrm{64007}}^1$

素因数の和:64024

約数の個数: 28

約数和(自身を含む): 48774096

約数和(自身を除く): 28291856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 64007, 128014, 256028, 320035, 512056, 640070, 1024112, 1280140, 2048224, 2560280, 4096448, 5120560, 10241120, 20482240]

約数ペア:

[(1, 20482240), (2, 10241120), (4, 5120560), (5, 4096448), (8, 2560280), (10, 2048224), (16, 1280140), (20, 1024112), (32, 640070), (40, 512056), (64, 320035), (80, 256028), (160, 128014), (320, 64007)]