20495016

素因数分解:

$2^3\times 3^2\times {\mathrm{281}}^1\times {\mathrm{1013}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 55759860

約数和(自身を除く): 35264844

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 281, 562, 843, 1013, 1124, 1686, 2026, 2248, 2529, 3039, 3372, 4052, 5058, 6078, 6744, 8104, 9117, 10116, 12156, 18234, 20232, 24312, 36468, 72936, 284653, 569306, 853959, 1138612, 1707918, 2277224, 2561877, 3415836, 5123754, 6831672, 10247508, 20495016]

約数ペア:

[(1, 20495016), (2, 10247508), (3, 6831672), (4, 5123754), (6, 3415836), (8, 2561877), (9, 2277224), (12, 1707918), (18, 1138612), (24, 853959), (36, 569306), (72, 284653), (281, 72936), (562, 36468), (843, 24312), (1013, 20232), (1124, 18234), (1686, 12156), (2026, 10116), (2248, 9117), (2529, 8104), (3039, 6744), (3372, 6078), (4052, 5058)]