15667420

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3121}}^1$

素因数の和:3381

約数の個数: 24

約数和(自身を含む): 33043248

約数和(自身を除く): 17375828

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 3121, 5020, 6242, 12484, 15605, 31210, 62420, 783371, 1566742, 3133484, 3916855, 7833710, 15667420]

約数ペア:

[(1, 15667420), (2, 7833710), (4, 3916855), (5, 3133484), (10, 1566742), (20, 783371), (251, 62420), (502, 31210), (1004, 15605), (1255, 12484), (2510, 6242), (3121, 5020)]