20170995880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1\times {\mathrm{1297}}^1$

素因数の和:2211

約数の個数: 128

約数和(自身を含む): 52746566400

約数和(自身を除く): 32575570520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 829, 938, 1297, 1340, 1658, 1876, 2345, 2594, 2680, 3316, 3752, 4145, 4690, 5188, 5803, 6485, 6632, 8290, 9079, 9380, 10376, 11606, 12970, 16580, 18158, 18760, 23212, 25940, 29015, 33160, 36316, 45395, 46424, 51880, 55543, 58030, 72632, 86899, 90790, 111086, 116060, 173798, 181580, 222172, 232120, 277715, 347596, 363160, 388801, 434495, 444344, 555430, 608293, 695192, 777602, 868990, 1075213, 1110860, 1216586, 1555204, 1737980, 1944005, 2150426, 2221720, 2433172, 3041465, 3110408, 3475960, 3888010, 4300852, 4866344, 5376065, 6082930, 7526491, 7776020, 8601704, 10752130, 12165860, 15052982, 15552040, 21504260, 24331720, 30105964, 37632455, 43008520, 60211928, 72039271, 75264910, 144078542, 150529820, 288157084, 301059640, 360196355, 504274897, 576314168, 720392710, 1008549794, 1440785420, 2017099588, 2521374485, 2881570840, 4034199176, 5042748970, 10085497940, 20170995880]

約数ペア:

[(1, 20170995880), (2, 10085497940), (4, 5042748970), (5, 4034199176), (7, 2881570840), (8, 2521374485), (10, 2017099588), (14, 1440785420), (20, 1008549794), (28, 720392710), (35, 576314168), (40, 504274897), (56, 360196355), (67, 301059640), (70, 288157084), (134, 150529820), (140, 144078542), (268, 75264910), (280, 72039271), (335, 60211928), (469, 43008520), (536, 37632455), (670, 30105964), (829, 24331720), (938, 21504260), (1297, 15552040), (1340, 15052982), (1658, 12165860), (1876, 10752130), (2345, 8601704), (2594, 7776020), (2680, 7526491), (3316, 6082930), (3752, 5376065), (4145, 4866344), (4690, 4300852), (5188, 3888010), (5803, 3475960), (6485, 3110408), (6632, 3041465), (8290, 2433172), (9079, 2221720), (9380, 2150426), (10376, 1944005), (11606, 1737980), (12970, 1555204), (16580, 1216586), (18158, 1110860), (18760, 1075213), (23212, 868990), (25940, 777602), (29015, 695192), (33160, 608293), (36316, 555430), (45395, 444344), (46424, 434495), (51880, 388801), (55543, 363160), (58030, 347596), (72632, 277715), (86899, 232120), (90790, 222172), (111086, 181580), (116060, 173798)]