20819412

素因数分解:

$2^2\times 3^2\times {\mathrm{578317}}^1$

素因数の和:578327

約数の個数: 18

約数和(自身を含む): 52626938

約数和(自身を除く): 31807526

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 578317, 1156634, 1734951, 2313268, 3469902, 5204853, 6939804, 10409706, 20819412]

約数ペア:

[(1, 20819412), (2, 10409706), (3, 6939804), (4, 5204853), (6, 3469902), (9, 2313268), (12, 1734951), (18, 1156634), (36, 578317)]