20347103

素因数分解:

$7^3\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:591

約数の個数: 16

約数和(自身を含む): 23956800

約数和(自身を除く): 3609697

約数列:

[1, 7, 49, 137, 343, 433, 959, 3031, 6713, 21217, 46991, 59321, 148519, 415247, 2906729, 20347103]

約数ペア:

[(1, 20347103), (7, 2906729), (49, 415247), (137, 148519), (343, 59321), (433, 46991), (959, 21217), (3031, 6713)]