20588464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:186

約数の個数: 60

約数和(自身を含む): 44820048

約数和(自身を除く): 24231584

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 103, 104, 124, 206, 208, 248, 403, 412, 496, 806, 824, 961, 1339, 1612, 1648, 1922, 2678, 3193, 3224, 3844, 5356, 6386, 6448, 7688, 10712, 12493, 12772, 15376, 21424, 24986, 25544, 41509, 49972, 51088, 83018, 98983, 99944, 166036, 197966, 199888, 332072, 395932, 664144, 791864, 1286779, 1583728, 2573558, 5147116, 10294232, 20588464]

約数ペア:

[(1, 20588464), (2, 10294232), (4, 5147116), (8, 2573558), (13, 1583728), (16, 1286779), (26, 791864), (31, 664144), (52, 395932), (62, 332072), (103, 199888), (104, 197966), (124, 166036), (206, 99944), (208, 98983), (248, 83018), (403, 51088), (412, 49972), (496, 41509), (806, 25544), (824, 24986), (961, 21424), (1339, 15376), (1612, 12772), (1648, 12493), (1922, 10712), (2678, 7688), (3193, 6448), (3224, 6386), (3844, 5356)]