20773403

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 25978320

約数和(自身を除く): 5204917

約数列:

[1, 7, 19, 49, 53, 133, 371, 421, 931, 1007, 2597, 2947, 7049, 7999, 20629, 22313, 49343, 55993, 156191, 391951, 423947, 1093337, 2967629, 20773403]

約数ペア:

[(1, 20773403), (7, 2967629), (19, 1093337), (49, 423947), (53, 391951), (133, 156191), (371, 55993), (421, 49343), (931, 22313), (1007, 20629), (2597, 7999), (2947, 7049)]