20657711088

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{1889}}^1$

素因数の和:2500

約数の個数: 240

約数和(自身を含む): 69708038400

約数和(自身を除く): 49050327312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 112, 114, 126, 133, 144, 152, 168, 171, 228, 252, 266, 304, 336, 342, 399, 456, 504, 532, 571, 684, 798, 912, 1008, 1064, 1142, 1197, 1368, 1596, 1713, 1889, 2128, 2284, 2394, 2736, 3192, 3426, 3778, 3997, 4568, 4788, 5139, 5667, 6384, 6852, 7556, 7994, 9136, 9576, 10278, 10849, 11334, 11991, 13223, 13704, 15112, 15988, 17001, 19152, 20556, 21698, 22668, 23982, 26446, 27408, 30224, 31976, 32547, 34002, 35891, 35973, 39669, 41112, 43396, 45336, 47964, 52892, 63952, 65094, 68004, 71782, 71946, 75943, 79338, 82224, 86792, 90672, 95928, 97641, 105784, 107673, 119007, 130188, 136008, 143564, 143892, 151886, 158676, 173584, 191856, 195282, 211568, 215346, 227829, 238014, 251237, 260376, 272016, 287128, 287784, 303772, 317352, 323019, 390564, 430692, 455658, 476028, 502474, 520752, 574256, 575568, 607544, 634704, 646038, 683487, 753711, 781128, 861384, 911316, 952056, 1004948, 1078619, 1215088, 1292076, 1366974, 1507422, 1562256, 1722768, 1822632, 1904112, 2009896, 2157238, 2261133, 2584152, 2733948, 3014844, 3235857, 3645264, 4019792, 4314476, 4522266, 5168304, 5467896, 6029688, 6471714, 7550333, 8628952, 9044532, 9707571, 10935792, 12059376, 12943428, 15100666, 17257904, 18089064, 19415142, 20493761, 22650999, 25886856, 30201332, 36178128, 38830284, 40987522, 45301998, 51773712, 60402664, 61481283, 67952997, 77660568, 81975044, 90603996, 120805328, 122962566, 135905994, 143456327, 155321136, 163950088, 181207992, 184443849, 245925132, 271811988, 286912654, 327900176, 362415984, 368887698, 430368981, 491850264, 543623976, 573825308, 737775396, 860737962, 983700528, 1087247952, 1147650616, 1291106943, 1475550792, 1721475924, 2295301232, 2582213886, 2951101584, 3442951848, 5164427772, 6885903696, 10328855544, 20657711088]

約数ペア:

[(1, 20657711088), (2, 10328855544), (3, 6885903696), (4, 5164427772), (6, 3442951848), (7, 2951101584), (8, 2582213886), (9, 2295301232), (12, 1721475924), (14, 1475550792), (16, 1291106943), (18, 1147650616), (19, 1087247952), (21, 983700528), (24, 860737962), (28, 737775396), (36, 573825308), (38, 543623976), (42, 491850264), (48, 430368981), (56, 368887698), (57, 362415984), (63, 327900176), (72, 286912654), (76, 271811988), (84, 245925132), (112, 184443849), (114, 181207992), (126, 163950088), (133, 155321136), (144, 143456327), (152, 135905994), (168, 122962566), (171, 120805328), (228, 90603996), (252, 81975044), (266, 77660568), (304, 67952997), (336, 61481283), (342, 60402664), (399, 51773712), (456, 45301998), (504, 40987522), (532, 38830284), (571, 36178128), (684, 30201332), (798, 25886856), (912, 22650999), (1008, 20493761), (1064, 19415142), (1142, 18089064), (1197, 17257904), (1368, 15100666), (1596, 12943428), (1713, 12059376), (1889, 10935792), (2128, 9707571), (2284, 9044532), (2394, 8628952), (2736, 7550333), (3192, 6471714), (3426, 6029688), (3778, 5467896), (3997, 5168304), (4568, 4522266), (4788, 4314476), (5139, 4019792), (5667, 3645264), (6384, 3235857), (6852, 3014844), (7556, 2733948), (7994, 2584152), (9136, 2261133), (9576, 2157238), (10278, 2009896), (10849, 1904112), (11334, 1822632), (11991, 1722768), (13223, 1562256), (13704, 1507422), (15112, 1366974), (15988, 1292076), (17001, 1215088), (19152, 1078619), (20556, 1004948), (21698, 952056), (22668, 911316), (23982, 861384), (26446, 781128), (27408, 753711), (30224, 683487), (31976, 646038), (32547, 634704), (34002, 607544), (35891, 575568), (35973, 574256), (39669, 520752), (41112, 502474), (43396, 476028), (45336, 455658), (47964, 430692), (52892, 390564), (63952, 323019), (65094, 317352), (68004, 303772), (71782, 287784), (71946, 287128), (75943, 272016), (79338, 260376), (82224, 251237), (86792, 238014), (90672, 227829), (95928, 215346), (97641, 211568), (105784, 195282), (107673, 191856), (119007, 173584), (130188, 158676), (136008, 151886), (143564, 143892)]