20120141847

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1\times {\mathrm{17027}}^1$

素因数の和:17823

約数の個数: 32

約数和(自身を含む): 29636893440

約数和(自身を除く): 9516751593

約数列:

[1, 3, 13, 39, 41, 123, 533, 739, 1599, 2217, 9607, 17027, 28821, 30299, 51081, 90897, 221351, 393887, 664053, 698107, 1181661, 2094321, 9075391, 12582953, 27226173, 37748859, 163578389, 490735167, 515901073, 1547703219, 6706713949, 20120141847]

約数ペア:

[(1, 20120141847), (3, 6706713949), (13, 1547703219), (39, 515901073), (41, 490735167), (123, 163578389), (533, 37748859), (739, 27226173), (1599, 12582953), (2217, 9075391), (9607, 2094321), (17027, 1181661), (28821, 698107), (30299, 664053), (51081, 393887), (90897, 221351)]