20784781826

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{36529}}^1\times {\mathrm{4007}}^1$

素因数の和:40609

約数の個数: 16

約数和(自身を含む): 31625043840

約数和(自身を除く): 10840262014

約数列:

[1, 2, 71, 142, 4007, 8014, 36529, 73058, 284497, 568994, 2593559, 5187118, 146371703, 292743406, 10392390913, 20784781826]

約数ペア:

[(1, 20784781826), (2, 10392390913), (71, 292743406), (142, 146371703), (4007, 5187118), (8014, 2593559), (36529, 568994), (73058, 284497)]