20315550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{167}}^1\times {\mathrm{811}}^1$

素因数の和:993

約数の個数: 48

約数和(自身を含む): 50746752

約数和(自身を除く): 30431202

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 167, 334, 501, 811, 835, 1002, 1622, 1670, 2433, 2505, 4055, 4175, 4866, 5010, 8110, 8350, 12165, 12525, 20275, 24330, 25050, 40550, 60825, 121650, 135437, 270874, 406311, 677185, 812622, 1354370, 2031555, 3385925, 4063110, 6771850, 10157775, 20315550]

約数ペア:

[(1, 20315550), (2, 10157775), (3, 6771850), (5, 4063110), (6, 3385925), (10, 2031555), (15, 1354370), (25, 812622), (30, 677185), (50, 406311), (75, 270874), (150, 135437), (167, 121650), (334, 60825), (501, 40550), (811, 25050), (835, 24330), (1002, 20275), (1622, 12525), (1670, 12165), (2433, 8350), (2505, 8110), (4055, 5010), (4175, 4866)]