20167992565

素因数分解:

$5^1\times 7^2\times {\mathrm{1997}}^1\times {\mathrm{41221}}^1$

素因数の和:43237

約数の個数: 24

約数和(自身を含む): 28167652152

約数和(自身を除く): 7999659587

約数列:

[1, 5, 7, 35, 49, 245, 1997, 9985, 13979, 41221, 69895, 97853, 206105, 288547, 489265, 1442735, 2019829, 10099145, 82318337, 411591685, 576228359, 2881141795, 4033598513, 20167992565]

約数ペア:

[(1, 20167992565), (5, 4033598513), (7, 2881141795), (35, 576228359), (49, 411591685), (245, 82318337), (1997, 10099145), (9985, 2019829), (13979, 1442735), (41221, 489265), (69895, 288547), (97853, 206105)]