20016785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9161}}^1$

素因数の和:9208

約数の個数: 16

約数和(自身を含む): 26386560

約数和(自身を除く): 6369775

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 9161, 45805, 174059, 210703, 870295, 1053515, 4003357, 20016785]

約数ペア:

[(1, 20016785), (5, 4003357), (19, 1053515), (23, 870295), (95, 210703), (115, 174059), (437, 45805), (2185, 9161)]