20050605

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7817}}^1$

素因数の和:7850

約数の個数: 32

約数和(自身を含む): 37526400

約数和(自身を除く): 17475795

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 7817, 23451, 39085, 70353, 117255, 148523, 211059, 351765, 445569, 742615, 1055295, 1336707, 2227845, 4010121, 6683535, 20050605]

約数ペア:

[(1, 20050605), (3, 6683535), (5, 4010121), (9, 2227845), (15, 1336707), (19, 1055295), (27, 742615), (45, 445569), (57, 351765), (95, 211059), (135, 148523), (171, 117255), (285, 70353), (513, 39085), (855, 23451), (2565, 7817)]