20201005180

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1951}}^1\times {\mathrm{7727}}^1$

素因数の和:9754

約数の個数: 48

約数和(自身を含む): 43082919936

約数和(自身を除く): 22881914756

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 1951, 3902, 7727, 7804, 9755, 15454, 19510, 30908, 38635, 39020, 77270, 130717, 154540, 261434, 517709, 522868, 653585, 1035418, 1307170, 2070836, 2588545, 2614340, 5177090, 10354180, 15075377, 30150754, 60301508, 75376885, 150753770, 301507540, 1010050259, 2020100518, 4040201036, 5050251295, 10100502590, 20201005180]

約数ペア:

[(1, 20201005180), (2, 10100502590), (4, 5050251295), (5, 4040201036), (10, 2020100518), (20, 1010050259), (67, 301507540), (134, 150753770), (268, 75376885), (335, 60301508), (670, 30150754), (1340, 15075377), (1951, 10354180), (3902, 5177090), (7727, 2614340), (7804, 2588545), (9755, 2070836), (15454, 1307170), (19510, 1035418), (30908, 653585), (38635, 522868), (39020, 517709), (77270, 261434), (130717, 154540)]