20662455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1291}}^1$

素因数の和:1407

約数の個数: 32

約数和(自身を含む): 36465408

約数和(自身を除く): 15802953

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 165, 291, 485, 1067, 1291, 1455, 3201, 3873, 5335, 6455, 14201, 16005, 19365, 42603, 71005, 125227, 213015, 375681, 626135, 1377497, 1878405, 4132491, 6887485, 20662455]

約数ペア:

[(1, 20662455), (3, 6887485), (5, 4132491), (11, 1878405), (15, 1377497), (33, 626135), (55, 375681), (97, 213015), (165, 125227), (291, 71005), (485, 42603), (1067, 19365), (1291, 16005), (1455, 14201), (3201, 6455), (3873, 5335)]