20349611984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:485

約数の個数: 160

約数和(自身を含む): 44394075264

約数和(自身を除く): 24044463280

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 73, 83, 104, 134, 146, 166, 208, 241, 268, 292, 332, 482, 536, 584, 664, 871, 949, 964, 1072, 1079, 1168, 1328, 1742, 1898, 1928, 2158, 3133, 3484, 3796, 3856, 4316, 4891, 5561, 6059, 6266, 6968, 7592, 8632, 9782, 11122, 12118, 12532, 13936, 15184, 16147, 17264, 17593, 19564, 20003, 22244, 24236, 25064, 32294, 35186, 39128, 40006, 44488, 48472, 50128, 63583, 64588, 70372, 72293, 78256, 78767, 80012, 88976, 96944, 127166, 129176, 140744, 144586, 157534, 160024, 209911, 228709, 254332, 258352, 260039, 281488, 289172, 315068, 320048, 405953, 419822, 457418, 508664, 520078, 578344, 630136, 811906, 839644, 914836, 1017328, 1040156, 1156688, 1178731, 1260272, 1340201, 1460219, 1623812, 1679288, 1829672, 2080312, 2357462, 2680402, 2920438, 3247624, 3358576, 3659344, 4160624, 4714924, 5277389, 5360804, 5840876, 6495248, 9429848, 10554778, 10721608, 11681752, 15323503, 17422613, 18859696, 18982847, 21109556, 21443216, 23363504, 30647006, 34845226, 37965694, 42219112, 61294012, 69690452, 75931388, 84438224, 97834673, 122588024, 139380904, 151862776, 195669346, 245176048, 278761808, 303725552, 391338692, 782677384, 1271850749, 1565354768, 2543701498, 5087402996, 10174805992, 20349611984]

約数ペア:

[(1, 20349611984), (2, 10174805992), (4, 5087402996), (8, 2543701498), (13, 1565354768), (16, 1271850749), (26, 782677384), (52, 391338692), (67, 303725552), (73, 278761808), (83, 245176048), (104, 195669346), (134, 151862776), (146, 139380904), (166, 122588024), (208, 97834673), (241, 84438224), (268, 75931388), (292, 69690452), (332, 61294012), (482, 42219112), (536, 37965694), (584, 34845226), (664, 30647006), (871, 23363504), (949, 21443216), (964, 21109556), (1072, 18982847), (1079, 18859696), (1168, 17422613), (1328, 15323503), (1742, 11681752), (1898, 10721608), (1928, 10554778), (2158, 9429848), (3133, 6495248), (3484, 5840876), (3796, 5360804), (3856, 5277389), (4316, 4714924), (4891, 4160624), (5561, 3659344), (6059, 3358576), (6266, 3247624), (6968, 2920438), (7592, 2680402), (8632, 2357462), (9782, 2080312), (11122, 1829672), (12118, 1679288), (12532, 1623812), (13936, 1460219), (15184, 1340201), (16147, 1260272), (17264, 1178731), (17593, 1156688), (19564, 1040156), (20003, 1017328), (22244, 914836), (24236, 839644), (25064, 811906), (32294, 630136), (35186, 578344), (39128, 520078), (40006, 508664), (44488, 457418), (48472, 419822), (50128, 405953), (63583, 320048), (64588, 315068), (70372, 289172), (72293, 281488), (78256, 260039), (78767, 258352), (80012, 254332), (88976, 228709), (96944, 209911), (127166, 160024), (129176, 157534), (140744, 144586)]