20498760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56941}}^1$

素因数の和:56958

約数の個数: 48

約数和(自身を含む): 66622140

約数和(自身を除く): 46123380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56941, 113882, 170823, 227764, 284705, 341646, 455528, 512469, 569410, 683292, 854115, 1024938, 1138820, 1366584, 1708230, 2049876, 2277640, 2562345, 3416460, 4099752, 5124690, 6832920, 10249380, 20498760]

約数ペア:

[(1, 20498760), (2, 10249380), (3, 6832920), (4, 5124690), (5, 4099752), (6, 3416460), (8, 2562345), (9, 2277640), (10, 2049876), (12, 1708230), (15, 1366584), (18, 1138820), (20, 1024938), (24, 854115), (30, 683292), (36, 569410), (40, 512469), (45, 455528), (60, 341646), (72, 284705), (90, 227764), (120, 170823), (180, 113882), (360, 56941)]