20156138500

素因数分解:

$2^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:507

約数の個数: 192

約数和(自身を含む): 46957869504

約数和(自身を除く): 26801731004

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 53, 61, 74, 100, 106, 122, 125, 148, 185, 212, 244, 250, 265, 305, 337, 370, 500, 530, 610, 674, 740, 925, 1060, 1220, 1325, 1348, 1525, 1685, 1850, 1961, 2257, 2650, 3050, 3233, 3370, 3700, 3922, 4514, 4625, 5300, 6100, 6466, 6625, 6740, 7625, 7844, 8425, 9028, 9250, 9805, 11285, 12469, 12932, 13250, 15250, 16165, 16850, 17861, 18500, 19610, 20557, 22570, 24938, 26500, 30500, 32330, 33700, 35722, 39220, 41114, 42125, 45140, 49025, 49876, 56425, 62345, 64660, 71444, 80825, 82228, 84250, 89305, 98050, 102785, 112850, 119621, 124690, 161650, 168500, 178610, 196100, 205570, 225700, 239242, 245125, 249380, 282125, 311725, 323300, 357220, 404125, 411140, 446525, 478484, 490250, 513925, 564250, 598105, 623450, 660857, 760609, 808250, 893050, 980500, 1027850, 1089521, 1128500, 1196210, 1246900, 1321714, 1521218, 1558625, 1616500, 1786100, 2055700, 2179042, 2232625, 2392420, 2569625, 2643428, 2990525, 3042436, 3117250, 3304285, 3803045, 4358084, 4465250, 5139250, 5447605, 5981050, 6234500, 6608570, 7606090, 8930500, 10278500, 10895210, 11962100, 13217140, 14952625, 15212180, 16521425, 19015225, 21790420, 27238025, 29905250, 33042850, 38030450, 40312277, 54476050, 59810500, 66085700, 76060900, 80624554, 82607125, 95076125, 108952100, 136190125, 161249108, 165214250, 190152250, 201561385, 272380250, 330428500, 380304500, 403122770, 544760500, 806245540, 1007806925, 2015613850, 4031227700, 5039034625, 10078069250, 20156138500]

約数ペア:

[(1, 20156138500), (2, 10078069250), (4, 5039034625), (5, 4031227700), (10, 2015613850), (20, 1007806925), (25, 806245540), (37, 544760500), (50, 403122770), (53, 380304500), (61, 330428500), (74, 272380250), (100, 201561385), (106, 190152250), (122, 165214250), (125, 161249108), (148, 136190125), (185, 108952100), (212, 95076125), (244, 82607125), (250, 80624554), (265, 76060900), (305, 66085700), (337, 59810500), (370, 54476050), (500, 40312277), (530, 38030450), (610, 33042850), (674, 29905250), (740, 27238025), (925, 21790420), (1060, 19015225), (1220, 16521425), (1325, 15212180), (1348, 14952625), (1525, 13217140), (1685, 11962100), (1850, 10895210), (1961, 10278500), (2257, 8930500), (2650, 7606090), (3050, 6608570), (3233, 6234500), (3370, 5981050), (3700, 5447605), (3922, 5139250), (4514, 4465250), (4625, 4358084), (5300, 3803045), (6100, 3304285), (6466, 3117250), (6625, 3042436), (6740, 2990525), (7625, 2643428), (7844, 2569625), (8425, 2392420), (9028, 2232625), (9250, 2179042), (9805, 2055700), (11285, 1786100), (12469, 1616500), (12932, 1558625), (13250, 1521218), (15250, 1321714), (16165, 1246900), (16850, 1196210), (17861, 1128500), (18500, 1089521), (19610, 1027850), (20557, 980500), (22570, 893050), (24938, 808250), (26500, 760609), (30500, 660857), (32330, 623450), (33700, 598105), (35722, 564250), (39220, 513925), (41114, 490250), (42125, 478484), (45140, 446525), (49025, 411140), (49876, 404125), (56425, 357220), (62345, 323300), (64660, 311725), (71444, 282125), (80825, 249380), (82228, 245125), (84250, 239242), (89305, 225700), (98050, 205570), (102785, 196100), (112850, 178610), (119621, 168500), (124690, 161650)]