20918484

素因数分解:

$2^2\times 3^2\times {\mathrm{581069}}^1$

素因数の和:581079

約数の個数: 18

約数和(自身を含む): 52877370

約数和(自身を除く): 31958886

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 581069, 1162138, 1743207, 2324276, 3486414, 5229621, 6972828, 10459242, 20918484]

約数ペア:

[(1, 20918484), (2, 10459242), (3, 6972828), (4, 5229621), (6, 3486414), (9, 2324276), (12, 1743207), (18, 1162138), (36, 581069)]