20285856

素因数分解:

$2^5\times 3^3\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 60419520

約数和(自身を除く): 40133664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 72, 96, 106, 108, 144, 159, 212, 216, 288, 318, 424, 432, 443, 477, 636, 848, 864, 886, 954, 1272, 1329, 1431, 1696, 1772, 1908, 2544, 2658, 2862, 3544, 3816, 3987, 5088, 5316, 5724, 7088, 7632, 7974, 10632, 11448, 11961, 14176, 15264, 15948, 21264, 22896, 23479, 23922, 31896, 42528, 45792, 46958, 47844, 63792, 70437, 93916, 95688, 127584, 140874, 187832, 191376, 211311, 281748, 375664, 382752, 422622, 563496, 633933, 751328, 845244, 1126992, 1267866, 1690488, 2253984, 2535732, 3380976, 5071464, 6761952, 10142928, 20285856]

約数ペア:

[(1, 20285856), (2, 10142928), (3, 6761952), (4, 5071464), (6, 3380976), (8, 2535732), (9, 2253984), (12, 1690488), (16, 1267866), (18, 1126992), (24, 845244), (27, 751328), (32, 633933), (36, 563496), (48, 422622), (53, 382752), (54, 375664), (72, 281748), (96, 211311), (106, 191376), (108, 187832), (144, 140874), (159, 127584), (212, 95688), (216, 93916), (288, 70437), (318, 63792), (424, 47844), (432, 46958), (443, 45792), (477, 42528), (636, 31896), (848, 23922), (864, 23479), (886, 22896), (954, 21264), (1272, 15948), (1329, 15264), (1431, 14176), (1696, 11961), (1772, 11448), (1908, 10632), (2544, 7974), (2658, 7632), (2862, 7088), (3544, 5724), (3816, 5316), (3987, 5088)]