20191139945

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{121403}}^1$

素因数の和:121505

約数の個数: 32

約数和(自身を含む): 26572907520

約数和(自身を除く): 6381767575

約数列:

[1, 5, 29, 31, 37, 145, 155, 185, 899, 1073, 1147, 4495, 5365, 5735, 33263, 121403, 166315, 607015, 3520687, 3763493, 4491911, 17603435, 18817465, 22459555, 109141297, 130265419, 139249241, 545706485, 651327095, 696246205, 4038227989, 20191139945]

約数ペア:

[(1, 20191139945), (5, 4038227989), (29, 696246205), (31, 651327095), (37, 545706485), (145, 139249241), (155, 130265419), (185, 109141297), (899, 22459555), (1073, 18817465), (1147, 17603435), (4495, 4491911), (5365, 3763493), (5735, 3520687), (33263, 607015), (121403, 166315)]