20215392665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{962867}}^1$

素因数の和:962921

約数の個数: 32

約数和(自身を含む): 29117128320

約数和(自身を除く): 8901735655

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 4199, 20995, 962867, 4814335, 12517271, 16368739, 18294473, 62586355, 81843695, 91472365, 212793607, 237828149, 311006041, 1063968035, 1189140745, 1555030205, 4043078533, 20215392665]

約数ペア:

[(1, 20215392665), (5, 4043078533), (13, 1555030205), (17, 1189140745), (19, 1063968035), (65, 311006041), (85, 237828149), (95, 212793607), (221, 91472365), (247, 81843695), (323, 62586355), (1105, 18294473), (1235, 16368739), (1615, 12517271), (4199, 4814335), (20995, 962867)]