20789300896

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{39443}}^1$

素因数の和:39654

約数の個数: 96

約数和(自身を含む): 50653669248

約数和(自身を除く): 29864368352

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 181, 182, 208, 224, 362, 364, 416, 724, 728, 1267, 1448, 1456, 2353, 2534, 2896, 2912, 4706, 5068, 5792, 9412, 10136, 16471, 18824, 20272, 32942, 37648, 39443, 40544, 65884, 75296, 78886, 131768, 157772, 263536, 276101, 315544, 512759, 527072, 552202, 631088, 1025518, 1104404, 1262176, 2051036, 2208808, 3589313, 4102072, 4417616, 7139183, 7178626, 8204144, 8835232, 14278366, 14357252, 16408288, 28556732, 28714504, 49974281, 57113464, 57429008, 92809379, 99948562, 114226928, 114858016, 185618758, 199897124, 228453856, 371237516, 399794248, 649665653, 742475032, 799588496, 1299331306, 1484950064, 1599176992, 2598662612, 2969900128, 5197325224, 10394650448, 20789300896]

約数ペア:

[(1, 20789300896), (2, 10394650448), (4, 5197325224), (7, 2969900128), (8, 2598662612), (13, 1599176992), (14, 1484950064), (16, 1299331306), (26, 799588496), (28, 742475032), (32, 649665653), (52, 399794248), (56, 371237516), (91, 228453856), (104, 199897124), (112, 185618758), (181, 114858016), (182, 114226928), (208, 99948562), (224, 92809379), (362, 57429008), (364, 57113464), (416, 49974281), (724, 28714504), (728, 28556732), (1267, 16408288), (1448, 14357252), (1456, 14278366), (2353, 8835232), (2534, 8204144), (2896, 7178626), (2912, 7139183), (4706, 4417616), (5068, 4102072), (5792, 3589313), (9412, 2208808), (10136, 2051036), (16471, 1262176), (18824, 1104404), (20272, 1025518), (32942, 631088), (37648, 552202), (39443, 527072), (40544, 512759), (65884, 315544), (75296, 276101), (78886, 263536), (131768, 157772)]