20837504

素因数分解:

$2^7\times {\mathrm{173}}^1\times {\mathrm{941}}^1$

素因数の和:1128

約数の個数: 32

約数和(自身を含む): 41796540

約数和(自身を除く): 20959036

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 173, 346, 692, 941, 1384, 1882, 2768, 3764, 5536, 7528, 11072, 15056, 22144, 30112, 60224, 120448, 162793, 325586, 651172, 1302344, 2604688, 5209376, 10418752, 20837504]

約数ペア:

[(1, 20837504), (2, 10418752), (4, 5209376), (8, 2604688), (16, 1302344), (32, 651172), (64, 325586), (128, 162793), (173, 120448), (346, 60224), (692, 30112), (941, 22144), (1384, 15056), (1882, 11072), (2768, 7528), (3764, 5536)]