20009787399

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^2\times {\mathrm{57259}}^1$

素因数の和:57361

約数の個数: 48

約数和(自身を含む): 34685817600

約数和(自身を除く): 14676030201

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 1849, 2709, 5547, 8127, 12943, 16641, 38829, 49923, 57259, 116487, 171777, 349461, 400813, 515331, 1202439, 1545993, 2462137, 3607317, 7386411, 10821951, 17234959, 22159233, 51704877, 66477699, 105871891, 155114631, 317615673, 465343893, 741103237, 952847019, 2223309711, 2858541057, 6669929133, 20009787399]

約数ペア:

[(1, 20009787399), (3, 6669929133), (7, 2858541057), (9, 2223309711), (21, 952847019), (27, 741103237), (43, 465343893), (63, 317615673), (129, 155114631), (189, 105871891), (301, 66477699), (387, 51704877), (903, 22159233), (1161, 17234959), (1849, 10821951), (2709, 7386411), (5547, 3607317), (8127, 2462137), (12943, 1545993), (16641, 1202439), (38829, 515331), (49923, 400813), (57259, 349461), (116487, 171777)]