2019920735

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{387329}}^1$

素因数の和:387490

約数の個数: 16

約数和(自身を含む): 2788776000

約数和(自身を除く): 768855265

約数列:

[1, 5, 7, 35, 149, 745, 1043, 5215, 387329, 1936645, 2711303, 13556515, 57712021, 288560105, 403984147, 2019920735]

約数ペア:

[(1, 2019920735), (5, 403984147), (7, 288560105), (35, 57712021), (149, 13556515), (745, 2711303), (1043, 1936645), (5215, 387329)]