20899161

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 32440320

約数和(自身を除く): 11541159

約数列:

[1, 3, 9, 27, 43, 47, 129, 141, 383, 387, 423, 1149, 1161, 1269, 2021, 3447, 6063, 10341, 16469, 18001, 18189, 49407, 54003, 54567, 148221, 162009, 444663, 486027, 774043, 2322129, 6966387, 20899161]

約数ペア:

[(1, 20899161), (3, 6966387), (9, 2322129), (27, 774043), (43, 486027), (47, 444663), (129, 162009), (141, 148221), (383, 54567), (387, 54003), (423, 49407), (1149, 18189), (1161, 18001), (1269, 16469), (2021, 10341), (3447, 6063)]