20054785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{557}}^1$

素因数の和:960

約数の個数: 16

約数和(自身を含む): 25444800

約数和(自身を除く): 5390015

約数列:

[1, 5, 19, 95, 379, 557, 1895, 2785, 7201, 10583, 36005, 52915, 211103, 1055515, 4010957, 20054785]

約数ペア:

[(1, 20054785), (5, 4010957), (19, 1055515), (95, 211103), (379, 52915), (557, 36005), (1895, 10583), (2785, 7201)]