19936960

素因数分解:

$2^6\times 5^1\times {\mathrm{62303}}^1$

素因数の和:62320

約数の個数: 28

約数和(自身を含む): 47475648

約数和(自身を除く): 27538688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62303, 124606, 249212, 311515, 498424, 623030, 996848, 1246060, 1993696, 2492120, 3987392, 4984240, 9968480, 19936960]

約数ペア:

[(1, 19936960), (2, 9968480), (4, 4984240), (5, 3987392), (8, 2492120), (10, 1993696), (16, 1246060), (20, 996848), (32, 623030), (40, 498424), (64, 311515), (80, 249212), (160, 124606), (320, 62303)]