20959695

素因数分解:

$3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1451}}^1$

素因数の和:1572

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 16676145

約数列:

[1, 3, 5, 9, 15, 27, 45, 107, 135, 321, 535, 963, 1451, 1605, 2889, 4353, 4815, 7255, 13059, 14445, 21765, 39177, 65295, 155257, 195885, 465771, 776285, 1397313, 2328855, 4191939, 6986565, 20959695]

約数ペア:

[(1, 20959695), (3, 6986565), (5, 4191939), (9, 2328855), (15, 1397313), (27, 776285), (45, 465771), (107, 195885), (135, 155257), (321, 65295), (535, 39177), (963, 21765), (1451, 14445), (1605, 13059), (2889, 7255), (4353, 4815)]