20303109

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 31457280

約数和(自身を除く): 11154171

約数列:

[1, 3, 9, 27, 31, 93, 127, 191, 279, 381, 573, 837, 1143, 1719, 3429, 3937, 5157, 5921, 11811, 17763, 24257, 35433, 53289, 72771, 106299, 159867, 218313, 654939, 751967, 2255901, 6767703, 20303109]

約数ペア:

[(1, 20303109), (3, 6767703), (9, 2255901), (27, 751967), (31, 654939), (93, 218313), (127, 159867), (191, 106299), (279, 72771), (381, 53289), (573, 35433), (837, 24257), (1143, 17763), (1719, 11811), (3429, 5921), (3937, 5157)]