20074240

素因数分解:

$2^8\times 5^1\times {\mathrm{15683}}^1$

素因数の和:15704

約数の個数: 36

約数和(自身を含む): 48087144

約数和(自身を除く): 28012904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 15683, 31366, 62732, 78415, 125464, 156830, 250928, 313660, 501856, 627320, 1003712, 1254640, 2007424, 2509280, 4014848, 5018560, 10037120, 20074240]

約数ペア:

[(1, 20074240), (2, 10037120), (4, 5018560), (5, 4014848), (8, 2509280), (10, 2007424), (16, 1254640), (20, 1003712), (32, 627320), (40, 501856), (64, 313660), (80, 250928), (128, 156830), (160, 125464), (256, 78415), (320, 62732), (640, 31366), (1280, 15683)]