20291696

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66749}}^1$

素因数の和:66776

約数の個数: 20

約数和(自身を含む): 41385000

約数和(自身を除く): 21093304

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66749, 133498, 266996, 533992, 1067984, 1268231, 2536462, 5072924, 10145848, 20291696]

約数ペア:

[(1, 20291696), (2, 10145848), (4, 5072924), (8, 2536462), (16, 1268231), (19, 1067984), (38, 533992), (76, 266996), (152, 133498), (304, 66749)]