20621997

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3109}}^1$

素因数の和:3193

約数の個数: 24

約数和(自身を含む): 32990880

約数和(自身を除く): 12368883

約数列:

[1, 3, 9, 11, 33, 67, 99, 201, 603, 737, 2211, 3109, 6633, 9327, 27981, 34199, 102597, 208303, 307791, 624909, 1874727, 2291333, 6873999, 20621997]

約数ペア:

[(1, 20621997), (3, 6873999), (9, 2291333), (11, 1874727), (33, 624909), (67, 307791), (99, 208303), (201, 102597), (603, 34199), (737, 27981), (2211, 9327), (3109, 6633)]