20635872

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{4999}}^1$

素因数の和:5055

約数の個数: 48

約数和(自身を含む): 55440000

約数和(自身を除く): 34804128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 172, 258, 344, 516, 688, 1032, 1376, 2064, 4128, 4999, 9998, 14997, 19996, 29994, 39992, 59988, 79984, 119976, 159968, 214957, 239952, 429914, 479904, 644871, 859828, 1289742, 1719656, 2579484, 3439312, 5158968, 6878624, 10317936, 20635872]

約数ペア:

[(1, 20635872), (2, 10317936), (3, 6878624), (4, 5158968), (6, 3439312), (8, 2579484), (12, 1719656), (16, 1289742), (24, 859828), (32, 644871), (43, 479904), (48, 429914), (86, 239952), (96, 214957), (129, 159968), (172, 119976), (258, 79984), (344, 59988), (516, 39992), (688, 29994), (1032, 19996), (1376, 14997), (2064, 9998), (4128, 4999)]