20956416

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2099}}^1$

素因数の和:2131

約数の個数: 72

約数和(自身を含む): 60093600

約数和(自身を除く): 39137184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 2099, 2496, 3328, 4198, 4992, 6297, 8396, 9984, 12594, 16792, 25188, 27287, 33584, 50376, 54574, 67168, 81861, 100752, 109148, 134336, 163722, 201504, 218296, 268672, 327444, 403008, 436592, 537344, 654888, 806016, 873184, 1309776, 1612032, 1746368, 2619552, 3492736, 5239104, 6985472, 10478208, 20956416]

約数ペア:

[(1, 20956416), (2, 10478208), (3, 6985472), (4, 5239104), (6, 3492736), (8, 2619552), (12, 1746368), (13, 1612032), (16, 1309776), (24, 873184), (26, 806016), (32, 654888), (39, 537344), (48, 436592), (52, 403008), (64, 327444), (78, 268672), (96, 218296), (104, 201504), (128, 163722), (156, 134336), (192, 109148), (208, 100752), (256, 81861), (312, 67168), (384, 54574), (416, 50376), (624, 33584), (768, 27287), (832, 25188), (1248, 16792), (1664, 12594), (2099, 9984), (2496, 8396), (3328, 6297), (4198, 4992)]