20919204

素因数分解:

$2^2\times 3^2\times {\mathrm{581089}}^1$

素因数の和:581099

約数の個数: 18

約数和(自身を含む): 52879190

約数和(自身を除く): 31959986

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 581089, 1162178, 1743267, 2324356, 3486534, 5229801, 6973068, 10459602, 20919204]

約数ペア:

[(1, 20919204), (2, 10459602), (3, 6973068), (4, 5229801), (6, 3486534), (9, 2324356), (12, 1743267), (18, 1162178), (36, 581089)]