20055385

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19759}}^1$

素因数の和:19800

約数の個数: 16

約数和(自身を含む): 28454400

約数和(自身を除く): 8399015

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 19759, 98795, 138313, 573011, 691565, 2865055, 4011077, 20055385]

約数ペア:

[(1, 20055385), (5, 4011077), (7, 2865055), (29, 691565), (35, 573011), (145, 138313), (203, 98795), (1015, 19759)]