20912946712

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{9733}}^1$

素因数の和:9861

約数の個数: 128

約数和(自身を含む): 49535936640

約数和(自身を除く): 28622989928

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 37, 56, 61, 68, 74, 119, 122, 136, 148, 238, 244, 259, 296, 427, 476, 488, 518, 629, 854, 952, 1036, 1037, 1258, 1708, 2072, 2074, 2257, 2516, 3416, 4148, 4403, 4514, 5032, 7259, 8296, 8806, 9028, 9733, 14518, 15799, 17612, 18056, 19466, 29036, 31598, 35224, 38369, 38932, 58072, 63196, 68131, 76738, 77864, 126392, 136262, 153476, 165461, 268583, 272524, 306952, 330922, 360121, 537166, 545048, 593713, 661844, 720242, 1074332, 1158227, 1187426, 1323688, 1440484, 2148664, 2316454, 2374852, 2520847, 2880968, 4155991, 4632908, 4749704, 5041694, 6122057, 8311982, 9265816, 10083388, 10093121, 12244114, 16623964, 20166776, 20186242, 21967381, 24488228, 33247928, 40372484, 42854399, 43934762, 48976456, 70651847, 80744968, 85708798, 87869524, 141303694, 153771667, 171417596, 175739048, 282607388, 307543334, 342835192, 373445477, 565214776, 615086668, 746890954, 1230173336, 1493781908, 2614118339, 2987563816, 5228236678, 10456473356, 20912946712]

約数ペア:

[(1, 20912946712), (2, 10456473356), (4, 5228236678), (7, 2987563816), (8, 2614118339), (14, 1493781908), (17, 1230173336), (28, 746890954), (34, 615086668), (37, 565214776), (56, 373445477), (61, 342835192), (68, 307543334), (74, 282607388), (119, 175739048), (122, 171417596), (136, 153771667), (148, 141303694), (238, 87869524), (244, 85708798), (259, 80744968), (296, 70651847), (427, 48976456), (476, 43934762), (488, 42854399), (518, 40372484), (629, 33247928), (854, 24488228), (952, 21967381), (1036, 20186242), (1037, 20166776), (1258, 16623964), (1708, 12244114), (2072, 10093121), (2074, 10083388), (2257, 9265816), (2516, 8311982), (3416, 6122057), (4148, 5041694), (4403, 4749704), (4514, 4632908), (5032, 4155991), (7259, 2880968), (8296, 2520847), (8806, 2374852), (9028, 2316454), (9733, 2148664), (14518, 1440484), (15799, 1323688), (17612, 1187426), (18056, 1158227), (19466, 1074332), (29036, 720242), (31598, 661844), (35224, 593713), (38369, 545048), (38932, 537166), (58072, 360121), (63196, 330922), (68131, 306952), (76738, 272524), (77864, 268583), (126392, 165461), (136262, 153476)]