20964733

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:372

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 1844867

約数列:

[1, 19, 53, 109, 191, 1007, 2071, 3629, 5777, 10123, 20819, 109763, 192337, 395561, 1103407, 20964733]

約数ペア:

[(1, 20964733), (19, 1103407), (53, 395561), (109, 192337), (191, 109763), (1007, 20819), (2071, 10123), (3629, 5777)]