20128485

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{947}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 35038080

約数和(自身を除く): 14909595

約数列:

[1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 947, 1417, 1635, 2841, 4251, 4735, 7085, 12311, 14205, 21255, 36933, 61555, 103223, 184665, 309669, 516115, 1341899, 1548345, 4025697, 6709495, 20128485]

約数ペア:

[(1, 20128485), (3, 6709495), (5, 4025697), (13, 1548345), (15, 1341899), (39, 516115), (65, 309669), (109, 184665), (195, 103223), (327, 61555), (545, 36933), (947, 21255), (1417, 14205), (1635, 12311), (2841, 7085), (4251, 4735)]