20948529

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4597}}^1$

素因数の和:4645

約数の個数: 24

約数和(自身を含む): 33547008

約数和(自身を除く): 12598479

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 4597, 13791, 32179, 96537, 142507, 225253, 427521, 675759, 997549, 2992647, 6982843, 20948529]

約数ペア:

[(1, 20948529), (3, 6982843), (7, 2992647), (21, 997549), (31, 675759), (49, 427521), (93, 225253), (147, 142507), (217, 96537), (651, 32179), (1519, 13791), (4557, 4597)]