20262620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1433}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 49146048

約数和(自身を除く): 28883428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 1433, 2020, 2828, 2866, 3535, 5732, 7070, 7165, 10031, 14140, 14330, 20062, 28660, 40124, 50155, 100310, 144733, 200620, 289466, 578932, 723665, 1013131, 1447330, 2026262, 2894660, 4052524, 5065655, 10131310, 20262620]

約数ペア:

[(1, 20262620), (2, 10131310), (4, 5065655), (5, 4052524), (7, 2894660), (10, 2026262), (14, 1447330), (20, 1013131), (28, 723665), (35, 578932), (70, 289466), (101, 200620), (140, 144733), (202, 100310), (404, 50155), (505, 40124), (707, 28660), (1010, 20062), (1414, 14330), (1433, 14140), (2020, 10031), (2828, 7165), (2866, 7070), (3535, 5732)]