20808252

素因数分解:

$2^2\times 3^4\times {\mathrm{64223}}^1$

素因数の和:64239

約数の個数: 30

約数和(自身を含む): 54397728

約数和(自身を除く): 33589476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64223, 128446, 192669, 256892, 385338, 578007, 770676, 1156014, 1734021, 2312028, 3468042, 5202063, 6936084, 10404126, 20808252]

約数ペア:

[(1, 20808252), (2, 10404126), (3, 6936084), (4, 5202063), (6, 3468042), (9, 2312028), (12, 1734021), (18, 1156014), (27, 770676), (36, 578007), (54, 385338), (81, 256892), (108, 192669), (162, 128446), (324, 64223)]