20856450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{8179}}^1$

素因数の和:8211

約数の個数: 48

約数和(自身を含む): 54773280

約数和(自身を除く): 33916830

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 425, 510, 850, 1275, 2550, 8179, 16358, 24537, 40895, 49074, 81790, 122685, 139043, 204475, 245370, 278086, 408950, 417129, 613425, 695215, 834258, 1226850, 1390430, 2085645, 3476075, 4171290, 6952150, 10428225, 20856450]

約数ペア:

[(1, 20856450), (2, 10428225), (3, 6952150), (5, 4171290), (6, 3476075), (10, 2085645), (15, 1390430), (17, 1226850), (25, 834258), (30, 695215), (34, 613425), (50, 417129), (51, 408950), (75, 278086), (85, 245370), (102, 204475), (150, 139043), (170, 122685), (255, 81790), (425, 49074), (510, 40895), (850, 24537), (1275, 16358), (2550, 8179)]