20088237

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 31328640

約数和(自身を除く): 11240403

約数列:

[1, 3, 13, 17, 39, 41, 51, 123, 221, 533, 663, 697, 739, 1599, 2091, 2217, 9061, 9607, 12563, 27183, 28821, 30299, 37689, 90897, 163319, 393887, 489957, 515083, 1181661, 1545249, 6696079, 20088237]

約数ペア:

[(1, 20088237), (3, 6696079), (13, 1545249), (17, 1181661), (39, 515083), (41, 489957), (51, 393887), (123, 163319), (221, 90897), (533, 37689), (663, 30299), (697, 28821), (739, 27183), (1599, 12563), (2091, 9607), (2217, 9061)]