20956455

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11941}}^1$

素因数の和:11968

約数の個数: 32

約数和(自身を含む): 40125120

約数和(自身を除く): 19168665

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 11941, 35823, 59705, 107469, 155233, 179115, 322407, 465699, 537345, 776165, 1397097, 1612035, 2328495, 4191291, 6985485, 20956455]

約数ペア:

[(1, 20956455), (3, 6985485), (5, 4191291), (9, 2328495), (13, 1612035), (15, 1397097), (27, 776165), (39, 537345), (45, 465699), (65, 322407), (117, 179115), (135, 155233), (195, 107469), (351, 59705), (585, 35823), (1755, 11941)]