20104990983

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1\times {\mathrm{503}}^1$

素因数の和:1085

約数の個数: 96

約数和(自身を含む): 36629978112

約数和(自身を除く): 16524987129

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 137, 231, 411, 421, 503, 693, 959, 1233, 1263, 1507, 1509, 2877, 2947, 3521, 3789, 4521, 4527, 4631, 5533, 8631, 8841, 10549, 10563, 13563, 13893, 16599, 26523, 31647, 31689, 32417, 38731, 41679, 49797, 57677, 68911, 94941, 97251, 116193, 173031, 206733, 211763, 291753, 348579, 403739, 482377, 519093, 620199, 634447, 635289, 758021, 1211217, 1447131, 1482341, 1903341, 1905867, 2274063, 2329393, 3633651, 4341393, 4441129, 4447023, 5306147, 5710023, 6822189, 6988179, 13323387, 13341069, 15918441, 16305751, 20964537, 29011531, 39970161, 47755323, 48917253, 87034593, 146751759, 203080717, 261103779, 319126841, 609242151, 957380523, 1827726453, 2233887887, 2872141569, 6701663661, 20104990983]

約数ペア:

[(1, 20104990983), (3, 6701663661), (7, 2872141569), (9, 2233887887), (11, 1827726453), (21, 957380523), (33, 609242151), (63, 319126841), (77, 261103779), (99, 203080717), (137, 146751759), (231, 87034593), (411, 48917253), (421, 47755323), (503, 39970161), (693, 29011531), (959, 20964537), (1233, 16305751), (1263, 15918441), (1507, 13341069), (1509, 13323387), (2877, 6988179), (2947, 6822189), (3521, 5710023), (3789, 5306147), (4521, 4447023), (4527, 4441129), (4631, 4341393), (5533, 3633651), (8631, 2329393), (8841, 2274063), (10549, 1905867), (10563, 1903341), (13563, 1482341), (13893, 1447131), (16599, 1211217), (26523, 758021), (31647, 635289), (31689, 634447), (32417, 620199), (38731, 519093), (41679, 482377), (49797, 403739), (57677, 348579), (68911, 291753), (94941, 211763), (97251, 206733), (116193, 173031)]