20246480

素因数分解:

$2^4\times 5^1\times {\mathrm{253081}}^1$

素因数の和:253094

約数の個数: 20

約数和(自身を含む): 47073252

約数和(自身を除く): 26826772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 253081, 506162, 1012324, 1265405, 2024648, 2530810, 4049296, 5061620, 10123240, 20246480]

約数ペア:

[(1, 20246480), (2, 10123240), (4, 5061620), (5, 4049296), (8, 2530810), (10, 2024648), (16, 1265405), (20, 1012324), (40, 506162), (80, 253081)]