20463184

素因数分解:

$2^4\times 7^2\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:672

約数の個数: 60

約数和(自身を含む): 47270784

約数和(自身を除く): 26807600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 49, 56, 86, 98, 112, 172, 196, 301, 344, 392, 602, 607, 688, 784, 1204, 1214, 2107, 2408, 2428, 4214, 4249, 4816, 4856, 8428, 8498, 9712, 16856, 16996, 26101, 29743, 33712, 33992, 52202, 59486, 67984, 104404, 118972, 182707, 208808, 237944, 365414, 417616, 475888, 730828, 1278949, 1461656, 2557898, 2923312, 5115796, 10231592, 20463184]

約数ペア:

[(1, 20463184), (2, 10231592), (4, 5115796), (7, 2923312), (8, 2557898), (14, 1461656), (16, 1278949), (28, 730828), (43, 475888), (49, 417616), (56, 365414), (86, 237944), (98, 208808), (112, 182707), (172, 118972), (196, 104404), (301, 67984), (344, 59486), (392, 52202), (602, 33992), (607, 33712), (688, 29743), (784, 26101), (1204, 16996), (1214, 16856), (2107, 9712), (2408, 8498), (2428, 8428), (4214, 4856), (4249, 4816)]