20937680401

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{947}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 24813331200

約数和(自身を除く): 3875650799

約数列:

[1, 11, 19, 59, 121, 163, 209, 649, 947, 1121, 1793, 2299, 3097, 7139, 9617, 10417, 12331, 17993, 19723, 34067, 55873, 105787, 114587, 135641, 154361, 182723, 197923, 374737, 614603, 1061587, 1163657, 1697971, 2009953, 2177153, 2932859, 6760633, 9107299, 11677457, 18677681, 22109483, 32261449, 100180289, 128452027, 173038681, 354875939, 1101983179, 1903425491, 20937680401]

約数ペア:

[(1, 20937680401), (11, 1903425491), (19, 1101983179), (59, 354875939), (121, 173038681), (163, 128452027), (209, 100180289), (649, 32261449), (947, 22109483), (1121, 18677681), (1793, 11677457), (2299, 9107299), (3097, 6760633), (7139, 2932859), (9617, 2177153), (10417, 2009953), (12331, 1697971), (17993, 1163657), (19723, 1061587), (34067, 614603), (55873, 374737), (105787, 197923), (114587, 182723), (135641, 154361)]