20814888

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 54443520

約数和(自身を除く): 33628632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 101, 124, 186, 202, 248, 277, 303, 372, 404, 554, 606, 744, 808, 831, 1108, 1212, 1662, 2216, 2424, 3131, 3324, 6262, 6648, 8587, 9393, 12524, 17174, 18786, 25048, 25761, 27977, 34348, 37572, 51522, 55954, 68696, 75144, 83931, 103044, 111908, 167862, 206088, 223816, 335724, 671448, 867287, 1734574, 2601861, 3469148, 5203722, 6938296, 10407444, 20814888]

約数ペア:

[(1, 20814888), (2, 10407444), (3, 6938296), (4, 5203722), (6, 3469148), (8, 2601861), (12, 1734574), (24, 867287), (31, 671448), (62, 335724), (93, 223816), (101, 206088), (124, 167862), (186, 111908), (202, 103044), (248, 83931), (277, 75144), (303, 68696), (372, 55954), (404, 51522), (554, 37572), (606, 34348), (744, 27977), (808, 25761), (831, 25048), (1108, 18786), (1212, 17174), (1662, 12524), (2216, 9393), (2424, 8587), (3131, 6648), (3324, 6262)]