20092995

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^2$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 38831520

約数和(自身を除く): 18738525

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 107, 117, 135, 195, 321, 351, 535, 585, 963, 1391, 1605, 1755, 2889, 4173, 4815, 6955, 11449, 12519, 14445, 20865, 34347, 37557, 57245, 62595, 103041, 148837, 171735, 187785, 309123, 446511, 515205, 744185, 1339533, 1545615, 2232555, 4018599, 6697665, 20092995]

約数ペア:

[(1, 20092995), (3, 6697665), (5, 4018599), (9, 2232555), (13, 1545615), (15, 1339533), (27, 744185), (39, 515205), (45, 446511), (65, 309123), (107, 187785), (117, 171735), (135, 148837), (195, 103041), (321, 62595), (351, 57245), (535, 37557), (585, 34347), (963, 20865), (1391, 14445), (1605, 12519), (1755, 11449), (2889, 6955), (4173, 4815)]