20952526

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 36951552

約数和(自身を除く): 15999026

約数列:

[1, 2, 7, 14, 71, 107, 142, 197, 214, 394, 497, 749, 994, 1379, 1498, 2758, 7597, 13987, 15194, 21079, 27974, 42158, 53179, 97909, 106358, 147553, 195818, 295106, 1496609, 2993218, 10476263, 20952526]

約数ペア:

[(1, 20952526), (2, 10476263), (7, 2993218), (14, 1496609), (71, 295106), (107, 195818), (142, 147553), (197, 106358), (214, 97909), (394, 53179), (497, 42158), (749, 27974), (994, 21079), (1379, 15194), (1498, 13987), (2758, 7597)]