20500272688

素因数分解:

$2^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{769}}^1\times {\mathrm{919}}^1$

素因数の和:1747

約数の個数: 120

約数和(自身を含む): 47566226400

約数和(自身を除く): 27065953712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 49, 56, 74, 98, 112, 148, 196, 259, 296, 392, 518, 592, 769, 784, 919, 1036, 1538, 1813, 1838, 2072, 3076, 3626, 3676, 4144, 5383, 6152, 6433, 7252, 7352, 10766, 12304, 12866, 14504, 14704, 21532, 25732, 28453, 29008, 34003, 37681, 43064, 45031, 51464, 56906, 68006, 75362, 86128, 90062, 102928, 113812, 136012, 150724, 180124, 199171, 227624, 238021, 272024, 301448, 360248, 398342, 455248, 476042, 544048, 602896, 706711, 720496, 796684, 952084, 1394197, 1413422, 1593368, 1666147, 1904168, 2788394, 2826844, 3186736, 3332294, 3808336, 4946977, 5576788, 5653688, 6664588, 9893954, 11153576, 11307376, 13329176, 19787908, 22307152, 26148307, 26658352, 34628839, 39575816, 52296614, 69257678, 79151632, 104593228, 138515356, 183038149, 209186456, 277030712, 366076298, 418372912, 554061424, 732152596, 1281267043, 1464305192, 2562534086, 2928610384, 5125068172, 10250136344, 20500272688]

約数ペア:

[(1, 20500272688), (2, 10250136344), (4, 5125068172), (7, 2928610384), (8, 2562534086), (14, 1464305192), (16, 1281267043), (28, 732152596), (37, 554061424), (49, 418372912), (56, 366076298), (74, 277030712), (98, 209186456), (112, 183038149), (148, 138515356), (196, 104593228), (259, 79151632), (296, 69257678), (392, 52296614), (518, 39575816), (592, 34628839), (769, 26658352), (784, 26148307), (919, 22307152), (1036, 19787908), (1538, 13329176), (1813, 11307376), (1838, 11153576), (2072, 9893954), (3076, 6664588), (3626, 5653688), (3676, 5576788), (4144, 4946977), (5383, 3808336), (6152, 3332294), (6433, 3186736), (7252, 2826844), (7352, 2788394), (10766, 1904168), (12304, 1666147), (12866, 1593368), (14504, 1413422), (14704, 1394197), (21532, 952084), (25732, 796684), (28453, 720496), (29008, 706711), (34003, 602896), (37681, 544048), (43064, 476042), (45031, 455248), (51464, 398342), (56906, 360248), (68006, 301448), (75362, 272024), (86128, 238021), (90062, 227624), (102928, 199171), (113812, 180124), (136012, 150724)]