20700538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{14723}}^1$

素因数の和:14781

約数の個数: 16

約数和(自身を含む): 33570720

約数和(自身を除く): 12870182

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 14723, 29446, 279737, 544751, 559474, 1089502, 10350269, 20700538]

約数ペア:

[(1, 20700538), (2, 10350269), (19, 1089502), (37, 559474), (38, 544751), (74, 279737), (703, 29446), (1406, 14723)]