20185280

素因数分解:

$2^6\times 5^1\times {\mathrm{63079}}^1$

素因数の和:63096

約数の個数: 28

約数和(自身を含む): 48066960

約数和(自身を除く): 27881680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63079, 126158, 252316, 315395, 504632, 630790, 1009264, 1261580, 2018528, 2523160, 4037056, 5046320, 10092640, 20185280]

約数ペア:

[(1, 20185280), (2, 10092640), (4, 5046320), (5, 4037056), (8, 2523160), (10, 2018528), (16, 1261580), (20, 1009264), (32, 630790), (40, 504632), (64, 315395), (80, 252316), (160, 126158), (320, 63079)]