20087284

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7103}}^1$

素因数の和:7215

約数の個数: 24

約数和(自身を含む): 40578048

約数和(自身を除く): 20490764

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 7103, 14206, 28412, 49721, 99442, 198884, 717403, 1434806, 2869612, 5021821, 10043642, 20087284]

約数ペア:

[(1, 20087284), (2, 10043642), (4, 5021821), (7, 2869612), (14, 1434806), (28, 717403), (101, 198884), (202, 99442), (404, 49721), (707, 28412), (1414, 14206), (2828, 7103)]