20503139

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:514

約数の個数: 16

約数和(自身を含む): 22560768

約数和(自身を除く): 2057629

約数列:

[1, 17, 47, 67, 383, 799, 1139, 3149, 6511, 18001, 25661, 53533, 306017, 436237, 1206067, 20503139]

約数ペア:

[(1, 20503139), (17, 1206067), (47, 436237), (67, 306017), (383, 53533), (799, 25661), (1139, 18001), (3149, 6511)]