20401315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{6287}}^1$

素因数の和:6362

約数の個数: 16

約数和(自身を含む): 27164160

約数和(自身を除く): 6762845

約数列:

[1, 5, 11, 55, 59, 295, 649, 3245, 6287, 31435, 69157, 345785, 370933, 1854665, 4080263, 20401315]

約数ペア:

[(1, 20401315), (5, 4080263), (11, 1854665), (55, 370933), (59, 345785), (295, 69157), (649, 31435), (3245, 6287)]