20050149

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 33218560

約数和(自身を除く): 13168411

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1621, 1767, 4123, 4863, 11347, 12369, 30799, 34041, 50251, 92397, 150753, 215593, 351757, 646779, 954769, 1055271, 2864307, 6683383, 20050149]

約数ペア:

[(1, 20050149), (3, 6683383), (7, 2864307), (19, 1055271), (21, 954769), (31, 646779), (57, 351757), (93, 215593), (133, 150753), (217, 92397), (399, 50251), (589, 34041), (651, 30799), (1621, 12369), (1767, 11347), (4123, 4863)]