20850305

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 9562495

約数列:

[1, 5, 7, 23, 35, 59, 115, 161, 295, 413, 439, 805, 1357, 2065, 2195, 3073, 6785, 9499, 10097, 15365, 25901, 47495, 50485, 70679, 129505, 181307, 353395, 595723, 906535, 2978615, 4170061, 20850305]

約数ペア:

[(1, 20850305), (5, 4170061), (7, 2978615), (23, 906535), (35, 595723), (59, 353395), (115, 181307), (161, 129505), (295, 70679), (413, 50485), (439, 47495), (805, 25901), (1357, 15365), (2065, 10097), (2195, 9499), (3073, 6785)]