20496490565

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{2137}}^1\times {\mathrm{61879}}^1$

素因数の和:64052

約数の個数: 16

約数和(自身を含む): 25401492480

約数和(自身を除く): 4905001915

約数列:

[1, 5, 31, 155, 2137, 10685, 61879, 66247, 309395, 331235, 1918249, 9591245, 132235423, 661177115, 4099298113, 20496490565]

約数ペア:

[(1, 20496490565), (5, 4099298113), (31, 661177115), (155, 132235423), (2137, 9591245), (10685, 1918249), (61879, 331235), (66247, 309395)]