20072985

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 33288192

約数和(自身を除く): 13215207

約数列:

[1, 3, 5, 15, 41, 123, 127, 205, 257, 381, 615, 635, 771, 1285, 1905, 3855, 5207, 10537, 15621, 26035, 31611, 32639, 52685, 78105, 97917, 158055, 163195, 489585, 1338199, 4014597, 6690995, 20072985]

約数ペア:

[(1, 20072985), (3, 6690995), (5, 4014597), (15, 1338199), (41, 489585), (123, 163195), (127, 158055), (205, 97917), (257, 78105), (381, 52685), (615, 32639), (635, 31611), (771, 26035), (1285, 15621), (1905, 10537), (3855, 5207)]