20941380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116341}}^1$

素因数の和:116356

約数の個数: 36

約数和(自身を含む): 63522732

約数和(自身を除く): 42581352

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116341, 232682, 349023, 465364, 581705, 698046, 1047069, 1163410, 1396092, 1745115, 2094138, 2326820, 3490230, 4188276, 5235345, 6980460, 10470690, 20941380]

約数ペア:

[(1, 20941380), (2, 10470690), (3, 6980460), (4, 5235345), (5, 4188276), (6, 3490230), (9, 2326820), (10, 2094138), (12, 1745115), (15, 1396092), (18, 1163410), (20, 1047069), (30, 698046), (36, 581705), (45, 465364), (60, 349023), (90, 232682), (180, 116341)]