20512695540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{304433}}^1$

素因数の和:305568

約数の個数: 48

約数和(自身を含む): 57486881088

約数和(自身を除く): 36974185548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1123, 2246, 3369, 4492, 5615, 6738, 11230, 13476, 16845, 22460, 33690, 67380, 304433, 608866, 913299, 1217732, 1522165, 1826598, 3044330, 3653196, 4566495, 6088660, 9132990, 18265980, 341878259, 683756518, 1025634777, 1367513036, 1709391295, 2051269554, 3418782590, 4102539108, 5128173885, 6837565180, 10256347770, 20512695540]

約数ペア:

[(1, 20512695540), (2, 10256347770), (3, 6837565180), (4, 5128173885), (5, 4102539108), (6, 3418782590), (10, 2051269554), (12, 1709391295), (15, 1367513036), (20, 1025634777), (30, 683756518), (60, 341878259), (1123, 18265980), (2246, 9132990), (3369, 6088660), (4492, 4566495), (5615, 3653196), (6738, 3044330), (11230, 1826598), (13476, 1522165), (16845, 1217732), (22460, 913299), (33690, 608866), (67380, 304433)]