20786494512

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{449}}^1\times {\mathrm{653}}^1$

素因数の和:1331

約数の個数: 160

約数和(自身を含む): 61892467200

約数和(自身を除く): 41105972688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 211, 336, 422, 449, 633, 653, 844, 898, 1266, 1306, 1347, 1477, 1688, 1796, 1959, 2532, 2612, 2694, 2954, 3143, 3376, 3592, 3918, 4431, 4571, 5064, 5224, 5388, 5908, 6286, 7184, 7836, 8862, 9142, 9429, 10128, 10448, 10776, 11816, 12572, 13713, 15672, 17724, 18284, 18858, 21552, 23632, 25144, 27426, 31344, 35448, 36568, 37716, 50288, 54852, 70896, 73136, 75432, 94739, 109704, 137783, 150864, 189478, 219408, 275566, 284217, 293197, 378956, 413349, 551132, 568434, 586394, 663173, 757912, 826698, 879591, 964481, 1102264, 1136868, 1172788, 1326346, 1515824, 1653396, 1759182, 1928962, 1989519, 2052379, 2204528, 2273736, 2345576, 2652692, 2893443, 3306792, 3518364, 3857924, 3979038, 4104758, 4547472, 4691152, 5305384, 5786886, 6157137, 6613584, 7036728, 7715848, 7958076, 8209516, 10610768, 11573772, 12314274, 14073456, 15431696, 15916152, 16419032, 23147544, 24628548, 31832304, 32838064, 46295088, 49257096, 61864567, 98514192, 123729134, 185593701, 247458268, 371187402, 433051969, 494916536, 742374804, 866103938, 989833072, 1299155907, 1484749608, 1732207876, 2598311814, 2969499216, 3464415752, 5196623628, 6928831504, 10393247256, 20786494512]

約数ペア:

[(1, 20786494512), (2, 10393247256), (3, 6928831504), (4, 5196623628), (6, 3464415752), (7, 2969499216), (8, 2598311814), (12, 1732207876), (14, 1484749608), (16, 1299155907), (21, 989833072), (24, 866103938), (28, 742374804), (42, 494916536), (48, 433051969), (56, 371187402), (84, 247458268), (112, 185593701), (168, 123729134), (211, 98514192), (336, 61864567), (422, 49257096), (449, 46295088), (633, 32838064), (653, 31832304), (844, 24628548), (898, 23147544), (1266, 16419032), (1306, 15916152), (1347, 15431696), (1477, 14073456), (1688, 12314274), (1796, 11573772), (1959, 10610768), (2532, 8209516), (2612, 7958076), (2694, 7715848), (2954, 7036728), (3143, 6613584), (3376, 6157137), (3592, 5786886), (3918, 5305384), (4431, 4691152), (4571, 4547472), (5064, 4104758), (5224, 3979038), (5388, 3857924), (5908, 3518364), (6286, 3306792), (7184, 2893443), (7836, 2652692), (8862, 2345576), (9142, 2273736), (9429, 2204528), (10128, 2052379), (10448, 1989519), (10776, 1928962), (11816, 1759182), (12572, 1653396), (13713, 1515824), (15672, 1326346), (17724, 1172788), (18284, 1136868), (18858, 1102264), (21552, 964481), (23632, 879591), (25144, 826698), (27426, 757912), (31344, 663173), (35448, 586394), (36568, 568434), (37716, 551132), (50288, 413349), (54852, 378956), (70896, 293197), (73136, 284217), (75432, 275566), (94739, 219408), (109704, 189478), (137783, 150864)]