20088035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 28339200

約数和(自身を除く): 8251165

約数列:

[1, 5, 11, 19, 47, 55, 95, 209, 235, 409, 517, 893, 1045, 2045, 2585, 4465, 4499, 7771, 9823, 19223, 22495, 38855, 49115, 85481, 96115, 211453, 365237, 427405, 1057265, 1826185, 4017607, 20088035]

約数ペア:

[(1, 20088035), (5, 4017607), (11, 1826185), (19, 1057265), (47, 427405), (55, 365237), (95, 211453), (209, 96115), (235, 85481), (409, 49115), (517, 38855), (893, 22495), (1045, 19223), (2045, 9823), (2585, 7771), (4465, 4499)]