20786261808

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{263}}^1\times {\mathrm{9743}}^1$

素因数の和:10043

約数の個数: 120

約数和(自身を含む): 58373263872

約数和(自身を除く): 37587002064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 208, 263, 312, 338, 507, 526, 624, 676, 789, 1014, 1052, 1352, 1578, 2028, 2104, 2704, 3156, 3419, 4056, 4208, 6312, 6838, 8112, 9743, 10257, 12624, 13676, 19486, 20514, 27352, 29229, 38972, 41028, 44447, 54704, 58458, 77944, 82056, 88894, 116916, 126659, 133341, 155888, 164112, 177788, 233832, 253318, 266682, 355576, 379977, 467664, 506636, 533364, 711152, 759954, 1013272, 1066728, 1519908, 1646567, 2026544, 2133456, 2562409, 3039816, 3293134, 4939701, 5124818, 6079632, 6586268, 7687227, 9879402, 10249636, 13172536, 15374454, 19758804, 20499272, 26345072, 30748908, 33311317, 39517608, 40998544, 61497816, 66622634, 79035216, 99933951, 122995632, 133245268, 199867902, 266490536, 399735804, 433047121, 532981072, 799471608, 866094242, 1299141363, 1598943216, 1732188484, 2598282726, 3464376968, 5196565452, 6928753936, 10393130904, 20786261808]

約数ペア:

[(1, 20786261808), (2, 10393130904), (3, 6928753936), (4, 5196565452), (6, 3464376968), (8, 2598282726), (12, 1732188484), (13, 1598943216), (16, 1299141363), (24, 866094242), (26, 799471608), (39, 532981072), (48, 433047121), (52, 399735804), (78, 266490536), (104, 199867902), (156, 133245268), (169, 122995632), (208, 99933951), (263, 79035216), (312, 66622634), (338, 61497816), (507, 40998544), (526, 39517608), (624, 33311317), (676, 30748908), (789, 26345072), (1014, 20499272), (1052, 19758804), (1352, 15374454), (1578, 13172536), (2028, 10249636), (2104, 9879402), (2704, 7687227), (3156, 6586268), (3419, 6079632), (4056, 5124818), (4208, 4939701), (6312, 3293134), (6838, 3039816), (8112, 2562409), (9743, 2133456), (10257, 2026544), (12624, 1646567), (13676, 1519908), (19486, 1066728), (20514, 1013272), (27352, 759954), (29229, 711152), (38972, 533364), (41028, 506636), (44447, 467664), (54704, 379977), (58458, 355576), (77944, 266682), (82056, 253318), (88894, 233832), (116916, 177788), (126659, 164112), (133341, 155888)]