20168072

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 18608248

約数列:

[1, 2, 4, 8, 67, 134, 191, 197, 268, 382, 394, 536, 764, 788, 1528, 1576, 12797, 13199, 25594, 26398, 37627, 51188, 52796, 75254, 102376, 105592, 150508, 301016, 2521009, 5042018, 10084036, 20168072]

約数ペア:

[(1, 20168072), (2, 10084036), (4, 5042018), (8, 2521009), (67, 301016), (134, 150508), (191, 105592), (197, 102376), (268, 75254), (382, 52796), (394, 51188), (536, 37627), (764, 26398), (788, 25594), (1528, 13199), (1576, 12797)]