20811379968

素因数分解:

$2^8\times 3^2\times {\mathrm{29}}^1\times {\mathrm{311473}}^1$

素因数の和:311524

約数の個数: 108

約数和(自身を含む): 62073653460

約数和(自身を除く): 41262273492

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 72, 87, 96, 116, 128, 144, 174, 192, 232, 256, 261, 288, 348, 384, 464, 522, 576, 696, 768, 928, 1044, 1152, 1392, 1856, 2088, 2304, 2784, 3712, 4176, 5568, 7424, 8352, 11136, 16704, 22272, 33408, 66816, 311473, 622946, 934419, 1245892, 1868838, 2491784, 2803257, 3737676, 4983568, 5606514, 7475352, 9032717, 9967136, 11213028, 14950704, 18065434, 19934272, 22426056, 27098151, 29901408, 36130868, 39868544, 44852112, 54196302, 59802816, 72261736, 79737088, 81294453, 89704224, 108392604, 119605632, 144523472, 162588906, 179408448, 216785208, 239211264, 289046944, 325177812, 358816896, 433570416, 578093888, 650355624, 717633792, 867140832, 1156187776, 1300711248, 1734281664, 2312375552, 2601422496, 3468563328, 5202844992, 6937126656, 10405689984, 20811379968]

約数ペア:

[(1, 20811379968), (2, 10405689984), (3, 6937126656), (4, 5202844992), (6, 3468563328), (8, 2601422496), (9, 2312375552), (12, 1734281664), (16, 1300711248), (18, 1156187776), (24, 867140832), (29, 717633792), (32, 650355624), (36, 578093888), (48, 433570416), (58, 358816896), (64, 325177812), (72, 289046944), (87, 239211264), (96, 216785208), (116, 179408448), (128, 162588906), (144, 144523472), (174, 119605632), (192, 108392604), (232, 89704224), (256, 81294453), (261, 79737088), (288, 72261736), (348, 59802816), (384, 54196302), (464, 44852112), (522, 39868544), (576, 36130868), (696, 29901408), (768, 27098151), (928, 22426056), (1044, 19934272), (1152, 18065434), (1392, 14950704), (1856, 11213028), (2088, 9967136), (2304, 9032717), (2784, 7475352), (3712, 5606514), (4176, 4983568), (5568, 3737676), (7424, 2803257), (8352, 2491784), (11136, 1868838), (16704, 1245892), (22272, 934419), (33408, 622946), (66816, 311473)]