20480325

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{16063}}^1$

素因数の和:16093

約数の個数: 24

約数和(自身を含む): 35854848

約数和(自身を除く): 15374523

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 16063, 48189, 80315, 240945, 273071, 401575, 819213, 1204725, 1365355, 4096065, 6826775, 20480325]

約数ペア:

[(1, 20480325), (3, 6826775), (5, 4096065), (15, 1365355), (17, 1204725), (25, 819213), (51, 401575), (75, 273071), (85, 240945), (255, 80315), (425, 48189), (1275, 16063)]