20191789940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144227071}}^1$

素因数の和:144227087

約数の個数: 24

約数和(自身を含む): 48460296192

約数和(自身を除く): 28268506252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144227071, 288454142, 576908284, 721135355, 1009589497, 1442270710, 2019178994, 2884541420, 4038357988, 5047947485, 10095894970, 20191789940]

約数ペア:

[(1, 20191789940), (2, 10095894970), (4, 5047947485), (5, 4038357988), (7, 2884541420), (10, 2019178994), (14, 1442270710), (20, 1009589497), (28, 721135355), (35, 576908284), (70, 288454142), (140, 144227071)]