20007935997

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50145203}}^1$

素因数の和:50145232

約数の個数: 16

約数和(自身を含む): 32092930560

約数和(自身を除く): 12084994563

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50145203, 150435609, 351016421, 952758857, 1053049263, 2858276571, 6669311999, 20007935997]

約数ペア:

[(1, 20007935997), (3, 6669311999), (7, 2858276571), (19, 1053049263), (21, 952758857), (57, 351016421), (133, 150435609), (399, 50145203)]