20512960167

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{149519}}^1$

素因数の和:149715

約数の個数: 32

約数和(自身を含む): 32152780800

約数和(自身を除く): 11639820633

約数列:

[1, 3, 7, 21, 47, 139, 141, 329, 417, 973, 987, 2919, 6533, 19599, 45731, 137193, 149519, 448557, 1046633, 3139899, 7027393, 20783141, 21082179, 49191751, 62349423, 145481987, 147575253, 436445961, 976807627, 2930422881, 6837653389, 20512960167]

約数ペア:

[(1, 20512960167), (3, 6837653389), (7, 2930422881), (21, 976807627), (47, 436445961), (139, 147575253), (141, 145481987), (329, 62349423), (417, 49191751), (973, 21082179), (987, 20783141), (2919, 7027393), (6533, 3139899), (19599, 1046633), (45731, 448557), (137193, 149519)]