20626241505

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{329677}}^1$

素因数の和:329825

約数の個数: 32

約数和(自身を含む): 34117716864

約数和(自身を除く): 13491475359

約数列:

[1, 3, 5, 15, 43, 97, 129, 215, 291, 485, 645, 1455, 4171, 12513, 20855, 62565, 329677, 989031, 1648385, 4945155, 14176111, 31978669, 42528333, 70880555, 95936007, 159893345, 212641665, 479680035, 1375082767, 4125248301, 6875413835, 20626241505]

約数ペア:

[(1, 20626241505), (3, 6875413835), (5, 4125248301), (15, 1375082767), (43, 479680035), (97, 212641665), (129, 159893345), (215, 95936007), (291, 70880555), (485, 42528333), (645, 31978669), (1455, 14176111), (4171, 4945155), (12513, 1648385), (20855, 989031), (62565, 329677)]