20246784

素因数分解:

$2^8\times 3^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 55286112

約数和(自身を除く): 35039328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 128, 164, 192, 246, 256, 328, 384, 492, 643, 656, 768, 984, 1286, 1312, 1929, 1968, 2572, 2624, 3858, 3936, 5144, 5248, 7716, 7872, 10288, 10496, 15432, 15744, 20576, 26363, 30864, 31488, 41152, 52726, 61728, 79089, 82304, 105452, 123456, 158178, 164608, 210904, 246912, 316356, 421808, 493824, 632712, 843616, 1265424, 1687232, 2530848, 3374464, 5061696, 6748928, 10123392, 20246784]

約数ペア:

[(1, 20246784), (2, 10123392), (3, 6748928), (4, 5061696), (6, 3374464), (8, 2530848), (12, 1687232), (16, 1265424), (24, 843616), (32, 632712), (41, 493824), (48, 421808), (64, 316356), (82, 246912), (96, 210904), (123, 164608), (128, 158178), (164, 123456), (192, 105452), (246, 82304), (256, 79089), (328, 61728), (384, 52726), (492, 41152), (643, 31488), (656, 30864), (768, 26363), (984, 20576), (1286, 15744), (1312, 15432), (1929, 10496), (1968, 10288), (2572, 7872), (2624, 7716), (3858, 5248), (3936, 5144)]