20418496

素因数分解:

$2^6\times 7^2\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:426

約数の個数: 84

約数和(自身を含む): 50035968

約数和(自身を除く): 29617472

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 98, 112, 119, 136, 196, 224, 238, 272, 383, 392, 448, 476, 544, 766, 784, 833, 952, 1088, 1532, 1568, 1666, 1904, 2681, 3064, 3136, 3332, 3808, 5362, 6128, 6511, 6664, 7616, 10724, 12256, 13022, 13328, 18767, 21448, 24512, 26044, 26656, 37534, 42896, 45577, 52088, 53312, 75068, 85792, 91154, 104176, 150136, 171584, 182308, 208352, 300272, 319039, 364616, 416704, 600544, 638078, 729232, 1201088, 1276156, 1458464, 2552312, 2916928, 5104624, 10209248, 20418496]

約数ペア:

[(1, 20418496), (2, 10209248), (4, 5104624), (7, 2916928), (8, 2552312), (14, 1458464), (16, 1276156), (17, 1201088), (28, 729232), (32, 638078), (34, 600544), (49, 416704), (56, 364616), (64, 319039), (68, 300272), (98, 208352), (112, 182308), (119, 171584), (136, 150136), (196, 104176), (224, 91154), (238, 85792), (272, 75068), (383, 53312), (392, 52088), (448, 45577), (476, 42896), (544, 37534), (766, 26656), (784, 26044), (833, 24512), (952, 21448), (1088, 18767), (1532, 13328), (1568, 13022), (1666, 12256), (1904, 10724), (2681, 7616), (3064, 6664), (3136, 6511), (3332, 6128), (3808, 5362)]