20563605

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8017}}^1$

素因数の和:8050

約数の個数: 32

約数和(自身を含む): 38486400

約数和(自身を除く): 17922795

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 8017, 24051, 40085, 72153, 120255, 152323, 216459, 360765, 456969, 761615, 1082295, 1370907, 2284845, 4112721, 6854535, 20563605]

約数ペア:

[(1, 20563605), (3, 6854535), (5, 4112721), (9, 2284845), (15, 1370907), (19, 1082295), (27, 761615), (45, 456969), (57, 360765), (95, 216459), (135, 152323), (171, 120255), (285, 72153), (513, 40085), (855, 24051), (2565, 8017)]