2015871020

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{246439}}^1$

素因数の和:246857

約数の個数: 24

約数和(自身を含む): 4243696800

約数和(自身を除く): 2227825780

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 246439, 492878, 985756, 1232195, 2464390, 4928780, 100793551, 201587102, 403174204, 503967755, 1007935510, 2015871020]

約数ペア:

[(1, 2015871020), (2, 1007935510), (4, 503967755), (5, 403174204), (10, 201587102), (20, 100793551), (409, 4928780), (818, 2464390), (1636, 1232195), (2045, 985756), (4090, 492878), (8180, 246439)]