20852572

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:422

約数の個数: 36

約数和(自身を含む): 40018440

約数和(自身を除く): 19165868

約数列:

[1, 2, 4, 13, 26, 52, 109, 169, 218, 283, 338, 436, 566, 676, 1132, 1417, 2834, 3679, 5668, 7358, 14716, 18421, 30847, 36842, 47827, 61694, 73684, 95654, 123388, 191308, 401011, 802022, 1604044, 5213143, 10426286, 20852572]

約数ペア:

[(1, 20852572), (2, 10426286), (4, 5213143), (13, 1604044), (26, 802022), (52, 401011), (109, 191308), (169, 123388), (218, 95654), (283, 73684), (338, 61694), (436, 47827), (566, 36842), (676, 30847), (1132, 18421), (1417, 14716), (2834, 7358), (3679, 5668)]