20004908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64951}}^1$

素因数の和:64973

約数の個数: 24

約数和(自身を含む): 43647744

約数和(自身を除く): 23642836

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 64951, 129902, 259804, 454657, 714461, 909314, 1428922, 1818628, 2857844, 5001227, 10002454, 20004908]

約数ペア:

[(1, 20004908), (2, 10002454), (4, 5001227), (7, 2857844), (11, 1818628), (14, 1428922), (22, 909314), (28, 714461), (44, 454657), (77, 259804), (154, 129902), (308, 64951)]