20341280

素因数分解:

$2^5\times 5^1\times {\mathrm{127133}}^1$

素因数の和:127148

約数の個数: 24

約数和(自身を含む): 48056652

約数和(自身を除く): 27715372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127133, 254266, 508532, 635665, 1017064, 1271330, 2034128, 2542660, 4068256, 5085320, 10170640, 20341280]

約数ペア:

[(1, 20341280), (2, 10170640), (4, 5085320), (5, 4068256), (8, 2542660), (10, 2034128), (16, 1271330), (20, 1017064), (32, 635665), (40, 508532), (80, 254266), (160, 127133)]