20138180825

素因数分解:

$5^2\times 7^1\times {\mathrm{4229}}^1\times {\mathrm{27211}}^1$

素因数の和:31457

約数の個数: 24

約数和(自身を含む): 28546476480

約数和(自身を除く): 8408295655

約数列:

[1, 5, 7, 25, 35, 175, 4229, 21145, 27211, 29603, 105725, 136055, 148015, 190477, 680275, 740075, 952385, 4761925, 115075319, 575376595, 805527233, 2876882975, 4027636165, 20138180825]

約数ペア:

[(1, 20138180825), (5, 4027636165), (7, 2876882975), (25, 805527233), (35, 575376595), (175, 115075319), (4229, 4761925), (21145, 952385), (27211, 740075), (29603, 680275), (105725, 190477), (136055, 148015)]