20001611

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:434

約数の個数: 16

約数和(自身を含む): 23347200

約数和(自身を除く): 3345589

約数列:

[1, 7, 127, 149, 151, 889, 1043, 1057, 18923, 19177, 22499, 132461, 134239, 157493, 2857373, 20001611]

約数ペア:

[(1, 20001611), (7, 2857373), (127, 157493), (149, 134239), (151, 132461), (889, 22499), (1043, 19177), (1057, 18923)]