20023580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24419}}^1$

素因数の和:24469

約数の個数: 24

約数和(自身を含む): 43076880

約数和(自身を除く): 23053300

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24419, 48838, 97676, 122095, 244190, 488380, 1001179, 2002358, 4004716, 5005895, 10011790, 20023580]

約数ペア:

[(1, 20023580), (2, 10011790), (4, 5005895), (5, 4004716), (10, 2002358), (20, 1001179), (41, 488380), (82, 244190), (164, 122095), (205, 97676), (410, 48838), (820, 24419)]