20804535808

素因数分解:

$2^9\times 7^1\times {\mathrm{17}}^1\times {\mathrm{341461}}^1$

素因数の和:341503

約数の個数: 80

約数和(自身を含む): 50301450144

約数和(自身を除く): 29496914336

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 512, 544, 896, 952, 1088, 1792, 1904, 2176, 3584, 3808, 4352, 7616, 8704, 15232, 30464, 60928, 341461, 682922, 1365844, 2390227, 2731688, 4780454, 5463376, 5804837, 9560908, 10926752, 11609674, 19121816, 21853504, 23219348, 38243632, 40633859, 43707008, 46438696, 76487264, 81267718, 87414016, 92877392, 152974528, 162535436, 174828032, 185754784, 305949056, 325070872, 371509568, 611898112, 650141744, 743019136, 1223796224, 1300283488, 1486038272, 2600566976, 2972076544, 5201133952, 10402267904, 20804535808]

約数ペア:

[(1, 20804535808), (2, 10402267904), (4, 5201133952), (7, 2972076544), (8, 2600566976), (14, 1486038272), (16, 1300283488), (17, 1223796224), (28, 743019136), (32, 650141744), (34, 611898112), (56, 371509568), (64, 325070872), (68, 305949056), (112, 185754784), (119, 174828032), (128, 162535436), (136, 152974528), (224, 92877392), (238, 87414016), (256, 81267718), (272, 76487264), (448, 46438696), (476, 43707008), (512, 40633859), (544, 38243632), (896, 23219348), (952, 21853504), (1088, 19121816), (1792, 11609674), (1904, 10926752), (2176, 9560908), (3584, 5804837), (3808, 5463376), (4352, 4780454), (7616, 2731688), (8704, 2390227), (15232, 1365844), (30464, 682922), (60928, 341461)]