20185825

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{6673}}^1$

素因数の和:6705

約数の個数: 18

約数和(自身を含む): 27516902

約数和(自身を除く): 7331077

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 6673, 33365, 73403, 166825, 367015, 807433, 1835075, 4037165, 20185825]

約数ペア:

[(1, 20185825), (5, 4037165), (11, 1835075), (25, 807433), (55, 367015), (121, 166825), (275, 73403), (605, 33365), (3025, 6673)]