20758563

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6217}}^1$

素因数の和:6283

約数の個数: 24

約数和(自身を含む): 34920288

約数和(自身を除く): 14161725

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 6217, 18651, 43519, 55953, 130557, 329501, 391671, 988503, 2306507, 2965509, 6919521, 20758563]

約数ペア:

[(1, 20758563), (3, 6919521), (7, 2965509), (9, 2306507), (21, 988503), (53, 391671), (63, 329501), (159, 130557), (371, 55953), (477, 43519), (1113, 18651), (3339, 6217)]