20187880948

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{23053}}^1$

素因数の和:23252

約数の個数: 48

約数和(自身を含む): 37260243664

約数和(自身を除く): 17072362716

約数列:

[1, 2, 4, 37, 61, 74, 97, 122, 148, 194, 244, 388, 2257, 3589, 4514, 5917, 7178, 9028, 11834, 14356, 23053, 23668, 46106, 92212, 218929, 437858, 852961, 875716, 1406233, 1705922, 2236141, 2812466, 3411844, 4472282, 5624932, 8944564, 52030621, 82737217, 104061242, 136404601, 165474434, 208122484, 272809202, 330948868, 545618404, 5046970237, 10093940474, 20187880948]

約数ペア:

[(1, 20187880948), (2, 10093940474), (4, 5046970237), (37, 545618404), (61, 330948868), (74, 272809202), (97, 208122484), (122, 165474434), (148, 136404601), (194, 104061242), (244, 82737217), (388, 52030621), (2257, 8944564), (3589, 5624932), (4514, 4472282), (5917, 3411844), (7178, 2812466), (9028, 2236141), (11834, 1705922), (14356, 1406233), (23053, 875716), (23668, 852961), (46106, 437858), (92212, 218929)]