20291936

素因数分解:

$2^5\times 7^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:751

約数の個数: 48

約数和(自身を含む): 46027296

約数和(自身を除く): 25735360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 157, 224, 314, 577, 628, 1099, 1154, 1256, 2198, 2308, 2512, 4039, 4396, 4616, 5024, 8078, 8792, 9232, 16156, 17584, 18464, 32312, 35168, 64624, 90589, 129248, 181178, 362356, 634123, 724712, 1268246, 1449424, 2536492, 2898848, 5072984, 10145968, 20291936]

約数ペア:

[(1, 20291936), (2, 10145968), (4, 5072984), (7, 2898848), (8, 2536492), (14, 1449424), (16, 1268246), (28, 724712), (32, 634123), (56, 362356), (112, 181178), (157, 129248), (224, 90589), (314, 64624), (577, 35168), (628, 32312), (1099, 18464), (1154, 17584), (1256, 16156), (2198, 9232), (2308, 8792), (2512, 8078), (4039, 5024), (4396, 4616)]