20175742797

素因数分解:

$3^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{395533}}^1$

素因数の和:395897

約数の個数: 24

約数和(自身を含む): 31383249696

約数和(自身を除く): 11207506899

約数列:

[1, 3, 7, 21, 49, 147, 347, 1041, 2429, 7287, 17003, 51009, 395533, 1186599, 2768731, 8306193, 19381117, 58143351, 137249951, 411749853, 960749657, 2882248971, 6725247599, 20175742797]

約数ペア:

[(1, 20175742797), (3, 6725247599), (7, 2882248971), (21, 960749657), (49, 411749853), (147, 137249951), (347, 58143351), (1041, 19381117), (2429, 8306193), (7287, 2768731), (17003, 1186599), (51009, 395533)]