20161697972

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 41468982912

約数和(自身を除く): 21307284940

約数列:

[1, 2, 4, 13, 23, 26, 37, 46, 52, 74, 92, 101, 148, 169, 202, 299, 338, 347, 404, 481, 598, 676, 694, 851, 962, 1196, 1313, 1388, 1702, 1924, 2323, 2626, 3404, 3737, 3887, 4511, 4646, 5252, 6253, 7474, 7774, 7981, 9022, 9292, 11063, 12506, 12839, 14948, 15548, 15962, 17069, 18044, 22126, 25012, 25678, 30199, 31924, 34138, 35047, 44252, 48581, 51356, 58643, 60398, 68276, 70094, 85951, 97162, 103753, 117286, 120796, 140188, 143819, 166907, 171902, 194324, 207506, 234572, 287638, 295297, 333814, 343804, 392587, 415012, 455611, 575276, 590594, 631553, 667628, 785174, 806081, 911222, 1117363, 1181188, 1263106, 1296739, 1348789, 1570348, 1612162, 1822444, 2169791, 2234726, 2526212, 2593478, 2697578, 3224324, 3838861, 4339582, 4469452, 5186956, 5395156, 5922943, 7677722, 8679164, 10479053, 11845886, 14525719, 15355444, 16857607, 20958106, 23691772, 29051438, 29824997, 33715214, 41916212, 49905193, 58102876, 59649994, 67430428, 99810386, 119299988, 136227689, 199620772, 219148891, 272455378, 387724961, 438297782, 544910756, 775449922, 876595564, 1550899844, 5040424493, 10080848986, 20161697972]

約数ペア:

[(1, 20161697972), (2, 10080848986), (4, 5040424493), (13, 1550899844), (23, 876595564), (26, 775449922), (37, 544910756), (46, 438297782), (52, 387724961), (74, 272455378), (92, 219148891), (101, 199620772), (148, 136227689), (169, 119299988), (202, 99810386), (299, 67430428), (338, 59649994), (347, 58102876), (404, 49905193), (481, 41916212), (598, 33715214), (676, 29824997), (694, 29051438), (851, 23691772), (962, 20958106), (1196, 16857607), (1313, 15355444), (1388, 14525719), (1702, 11845886), (1924, 10479053), (2323, 8679164), (2626, 7677722), (3404, 5922943), (3737, 5395156), (3887, 5186956), (4511, 4469452), (4646, 4339582), (5252, 3838861), (6253, 3224324), (7474, 2697578), (7774, 2593478), (7981, 2526212), (9022, 2234726), (9292, 2169791), (11063, 1822444), (12506, 1612162), (12839, 1570348), (14948, 1348789), (15548, 1296739), (15962, 1263106), (17069, 1181188), (18044, 1117363), (22126, 911222), (25012, 806081), (25678, 785174), (30199, 667628), (31924, 631553), (34138, 590594), (35047, 575276), (44252, 455611), (48581, 415012), (51356, 392587), (58643, 343804), (60398, 333814), (68276, 295297), (70094, 287638), (85951, 234572), (97162, 207506), (103753, 194324), (117286, 171902), (120796, 166907), (140188, 143819)]