20944605

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5519}}^1$

素因数の和:5561

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 17209635

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5519, 16557, 27595, 60709, 82785, 126937, 182127, 303545, 380811, 634685, 910635, 1396307, 1904055, 4188921, 6981535, 20944605]

約数ペア:

[(1, 20944605), (3, 6981535), (5, 4188921), (11, 1904055), (15, 1396307), (23, 910635), (33, 634685), (55, 380811), (69, 303545), (115, 182127), (165, 126937), (253, 82785), (345, 60709), (759, 27595), (1265, 16557), (3795, 5519)]