20479024

素因数分解:

$2^4\times {\mathrm{821}}^1\times {\mathrm{1559}}^1$

素因数の和:2388

約数の個数: 20

約数和(自身を含む): 39751920

約数和(自身を除く): 19272896

約数列:

[1, 2, 4, 8, 16, 821, 1559, 1642, 3118, 3284, 6236, 6568, 12472, 13136, 24944, 1279939, 2559878, 5119756, 10239512, 20479024]

約数ペア:

[(1, 20479024), (2, 10239512), (4, 5119756), (8, 2559878), (16, 1279939), (821, 24944), (1559, 13136), (1642, 12472), (3118, 6568), (3284, 6236)]