20931778336

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2689}}^1$

素因数の和:2815

約数の個数: 192

約数和(自身を含む): 52061184000

約数和(自身を除く): 31129405664

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 56, 59, 62, 76, 112, 118, 124, 133, 152, 217, 224, 236, 248, 266, 304, 413, 434, 472, 496, 532, 589, 608, 826, 868, 944, 992, 1064, 1121, 1178, 1652, 1736, 1829, 1888, 2128, 2242, 2356, 2689, 3304, 3472, 3658, 4123, 4256, 4484, 4712, 5378, 6608, 6944, 7316, 7847, 8246, 8968, 9424, 10756, 12803, 13216, 14632, 15694, 16492, 17936, 18823, 18848, 21512, 25606, 29264, 31388, 32984, 34751, 35872, 37646, 43024, 51091, 51212, 58528, 62776, 65968, 69502, 75292, 83359, 86048, 102182, 102424, 125552, 131936, 139004, 150584, 158651, 166718, 204364, 204848, 243257, 251104, 278008, 301168, 317302, 333436, 357637, 408728, 409696, 486514, 556016, 583513, 602336, 634604, 666872, 715274, 817456, 973028, 1110557, 1112032, 1167026, 1269208, 1333744, 1430548, 1583821, 1634912, 1946056, 2221114, 2334052, 2538416, 2667488, 2861096, 3014369, 3167642, 3892112, 4442228, 4668104, 4918181, 5076832, 5722192, 6028738, 6335284, 7784224, 8884456, 9336208, 9836362, 11086747, 11444384, 12057476, 12670568, 17768912, 18672416, 19672724, 21100583, 22173494, 24114952, 25341136, 34427267, 35537824, 39345448, 42201166, 44346988, 48229904, 50682272, 68854534, 78690896, 84402332, 88693976, 93445439, 96459808, 137709068, 157381792, 168804664, 177387952, 186890878, 275418136, 337609328, 354775904, 373781756, 550836272, 654118073, 675218656, 747563512, 1101672544, 1308236146, 1495127024, 2616472292, 2990254048, 5232944584, 10465889168, 20931778336]

約数ペア:

[(1, 20931778336), (2, 10465889168), (4, 5232944584), (7, 2990254048), (8, 2616472292), (14, 1495127024), (16, 1308236146), (19, 1101672544), (28, 747563512), (31, 675218656), (32, 654118073), (38, 550836272), (56, 373781756), (59, 354775904), (62, 337609328), (76, 275418136), (112, 186890878), (118, 177387952), (124, 168804664), (133, 157381792), (152, 137709068), (217, 96459808), (224, 93445439), (236, 88693976), (248, 84402332), (266, 78690896), (304, 68854534), (413, 50682272), (434, 48229904), (472, 44346988), (496, 42201166), (532, 39345448), (589, 35537824), (608, 34427267), (826, 25341136), (868, 24114952), (944, 22173494), (992, 21100583), (1064, 19672724), (1121, 18672416), (1178, 17768912), (1652, 12670568), (1736, 12057476), (1829, 11444384), (1888, 11086747), (2128, 9836362), (2242, 9336208), (2356, 8884456), (2689, 7784224), (3304, 6335284), (3472, 6028738), (3658, 5722192), (4123, 5076832), (4256, 4918181), (4484, 4668104), (4712, 4442228), (5378, 3892112), (6608, 3167642), (6944, 3014369), (7316, 2861096), (7847, 2667488), (8246, 2538416), (8968, 2334052), (9424, 2221114), (10756, 1946056), (12803, 1634912), (13216, 1583821), (14632, 1430548), (15694, 1333744), (16492, 1269208), (17936, 1167026), (18823, 1112032), (18848, 1110557), (21512, 973028), (25606, 817456), (29264, 715274), (31388, 666872), (32984, 634604), (34751, 602336), (35872, 583513), (37646, 556016), (43024, 486514), (51091, 409696), (51212, 408728), (58528, 357637), (62776, 333436), (65968, 317302), (69502, 301168), (75292, 278008), (83359, 251104), (86048, 243257), (102182, 204848), (102424, 204364), (125552, 166718), (131936, 158651), (139004, 150584)]