20173888725

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1559}}^1\times {\mathrm{3671}}^1$

素因数の和:5290

約数の個数: 48

約数和(自身を含む): 34094960640

約数和(自身を除く): 13921071915

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 1559, 3525, 3671, 4677, 7795, 11013, 18355, 23385, 38975, 55065, 73273, 91775, 116925, 172537, 219819, 275325, 366365, 517611, 862685, 1099095, 1831825, 2588055, 4313425, 5495475, 5723089, 12940275, 17169267, 28615445, 85846335, 143077225, 268985183, 429231675, 806955549, 1344925915, 4034777745, 6724629575, 20173888725]

約数ペア:

[(1, 20173888725), (3, 6724629575), (5, 4034777745), (15, 1344925915), (25, 806955549), (47, 429231675), (75, 268985183), (141, 143077225), (235, 85846335), (705, 28615445), (1175, 17169267), (1559, 12940275), (3525, 5723089), (3671, 5495475), (4677, 4313425), (7795, 2588055), (11013, 1831825), (18355, 1099095), (23385, 862685), (38975, 517611), (55065, 366365), (73273, 275325), (91775, 219819), (116925, 172537)]