20312478

素因数分解:

$2^1\times 3^3\times {\mathrm{193}}^1\times {\mathrm{1949}}^1$

素因数の和:2153

約数の個数: 32

約数和(自身を含む): 45396000

約数和(自身を除く): 25083522

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 193, 386, 579, 1158, 1737, 1949, 3474, 3898, 5211, 5847, 10422, 11694, 17541, 35082, 52623, 105246, 376157, 752314, 1128471, 2256942, 3385413, 6770826, 10156239, 20312478]

約数ペア:

[(1, 20312478), (2, 10156239), (3, 6770826), (6, 3385413), (9, 2256942), (18, 1128471), (27, 752314), (54, 376157), (193, 105246), (386, 52623), (579, 35082), (1158, 17541), (1737, 11694), (1949, 10422), (3474, 5847), (3898, 5211)]