20524160

素因数分解:

$2^7\times 5^1\times {\mathrm{32069}}^1$

素因数の和:32088

約数の個数: 32

約数和(自身を含む): 49067100

約数和(自身を除く): 28542940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 32069, 64138, 128276, 160345, 256552, 320690, 513104, 641380, 1026208, 1282760, 2052416, 2565520, 4104832, 5131040, 10262080, 20524160]

約数ペア:

[(1, 20524160), (2, 10262080), (4, 5131040), (5, 4104832), (8, 2565520), (10, 2052416), (16, 1282760), (20, 1026208), (32, 641380), (40, 513104), (64, 320690), (80, 256552), (128, 160345), (160, 128276), (320, 64138), (640, 32069)]