20850560

素因数分解:

$2^7\times 5^1\times {\mathrm{32579}}^1$

素因数の和:32598

約数の個数: 32

約数和(自身を含む): 49847400

約数和(自身を除く): 28996840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 32579, 65158, 130316, 162895, 260632, 325790, 521264, 651580, 1042528, 1303160, 2085056, 2606320, 4170112, 5212640, 10425280, 20850560]

約数ペア:

[(1, 20850560), (2, 10425280), (4, 5212640), (5, 4170112), (8, 2606320), (10, 2085056), (16, 1303160), (20, 1042528), (32, 651580), (40, 521264), (64, 325790), (80, 260632), (128, 162895), (160, 130316), (320, 65158), (640, 32579)]