20951814

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{268613}}^1$

素因数の和:268631

約数の個数: 16

約数和(自身を含む): 45127152

約数和(自身を除く): 24175338

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 268613, 537226, 805839, 1611678, 3491969, 6983938, 10475907, 20951814]

約数ペア:

[(1, 20951814), (2, 10475907), (3, 6983938), (6, 3491969), (13, 1611678), (26, 805839), (39, 537226), (78, 268613)]