20560505

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25541}}^1$

素因数の和:25576

約数の個数: 16

約数和(自身を含む): 29424384

約数和(自身を除く): 8863879

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25541, 127705, 178787, 587443, 893935, 2937215, 4112101, 20560505]

約数ペア:

[(1, 20560505), (5, 4112101), (7, 2937215), (23, 893935), (35, 587443), (115, 178787), (161, 127705), (805, 25541)]